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This is a list of fights, in chronological order.

Pre-SeriesEdit

Participants Chapter(s) Episode(s) Result
Saitama vs. Piggy Bancon (Off screen) 200 Yen None Piggy Bancon wins
Saitama vs. Crablante 2 1 Saitama wins
Saitama vs. Fish of Darkness None Road To Hero Saitama wins
Saitama vs. Personification Of A Light Pull Cord Brushing Up None Saitama wins
Saitama vs. Octopus Claw Man (Off screen) 38 None Saitama wins
Red Muffler, Grad School Graduate and

Darkness Blade vs. 170,000-Year Magicicada Nymph (Off screen)

Summer None 170,000-Year Magicicada Nymph wins
Saitama vs. 170,000-Year Magicicada Nymph Summer None Saitama wins
Garou vs. Sour Face and Bang's other disciples

(Mentioned - Flashback - Off screen)

29, 52 None Garou wins
Gouketsu vs. Orochi (Flashback - Off screen) 72 None Orochi wins
Blast vs. Elder Centipede (Mentioned - Off screen) 84 24 Elder Centipede retreats

Introduction SagaEdit

Saitama Introduction ArcEdit

Participants Chapter(s) Episode(s) Result
Saitama vs. Vaccine Man 1 1 Saitama wins
Saitama vs. Marugori 3 1 Saitama wins
Saitama vs. Super Custom YO649Z Mk. II None 1 Saitama wins
Saitama vs. Subterraneans (Saitama's Dream) 4 1 Saitama wins
Saitama vs. Subterranean King 4 1 Saitama wins

House of Evolution ArcEdit

Participants Chapter(s) Episode(s) Result
Saitama vs. Mosquito 5, 6 2 Interrupted by Genos
Genos vs. Mosquito Girl 5, 6 2 Genos is saved by Saitama
Saitama vs. Kamakyuri, Slugerous, Frog Man, Ground Dragon and Beast King 7, 8 2 Saitama wins
Genos vs. Armored Gorilla 7, 8 2 Genos wins
Carnage Kabuto vs. Dr. Genus Clone 9 3 Carnage Kabuto wins
Genos vs. Carnage Kabuto 10 3 Carnage Kabuto wins
Saitama vs. Carnage Kabuto 10, 11 3 Saitama wins

Paradise Group ArcEdit

Participants Chapter(s) Episode(s) Result
Mumen Rider vs. Paradise Group and Hammerhead (Off screen) 12 4 The Paradise Group and Hammerhead win
Speed-o'-Sound Sonic vs. Paradise Group and Hammerhead 13 4 Sonic wins
Saitama vs. Hammerhead 14 4 Saitama wins
Saitama vs. Speed-o'-Sound Sonic 14, 15 4 Saitama wins

Hero Association SagaEdit

National Superhero Registry ArcEdit

Participants Chapter(s) Episode(s) Result
Saitama vs. Sneck 16 5 Saitama wins
Saitama vs. Genos 17 5 Saitama wins
Saitama vs. Speed-o'-Sound Sonic: Round Two 19 6 Saitama wins

Rumored Monster ArcEdit

Participants Chapter(s) Episode(s) Result
Spring Mustachio and Golden Ball vs. Kombu Infinity 20 6 Kombu Infinity wins
Saitama vs. Kombu Infinity (Off screen) 20 6 Saitama wins

Giant Meteor ArcEdit

Participants Chapter(s) Episode(s) Result
Genos, Bofoi, and Saitama vs. Meteor 21 7 Saitama destroys the meteor
Saitama vs. Tanktop Tiger and Tanktop Black Hole 22 7 Saitama wins

Sea Monster ArcEdit

Participants Chapter(s) Episode(s) Result
Saitama vs. Seafolk 23 8 Saitama wins
Stinger vs. Seafolk 23 8 Stinger wins
Lightning Max vs. Deep Sea King 24 8 Deep Sea King wins
Puri-Puri Prisoner vs. Deep Sea King 24 8 Deep Sea King wins
Speed-o'-Sound Sonic vs. Deep Sea King 24 8 Sonic retreats
Sneck, All Back-Man, Jet Nice Guy and Bunbunman vs. Deep Sea King 24, 25 8 Deep Sea King wins
Genos vs. Deep Sea King 25, 26 9 Deep Sea King wins
Mumen Rider vs. Deep Sea King 26 9 Deep Sea King wins
Saitama vs. Deep Sea King 26, 27 9 Saitama wins

Alien Conquerors ArcEdit

Participants Chapter(s) Episode(s) Result
Tatsumaki vs. Ancient King None 10 Tatsumaki wins
Charanko vs. Genos 29 10 Genos wins
Melzargard vs. Sky KingKiteEagleFalcon and Hawk 30 10 Melzargard wins
Iaian vs. Melzargard 31, 32 10 Interrupted by Atomic Samurai
Atomic Samurai, Bang, Metal Bat, and Puri-Puri Prisoner vs. Melzargard 32, 33, 34 10, 11, 12 The Heroes win
Saitama vs. Groribas and Geryuganshoop 32, 33, 34 10, 11 Saitama wins
Saitama vs. Boros 34, 35 11, 12 Saitama wins
Saitama vs. Pluton None 12 Saitama wins

King ArcEdit

Participants Chapter(s) Episode(s) Result
King vs. Tongue Stretcher 37 13 King wins
Genos vs. G4 37 13 Genos wins
Saitama vs. Giant Crow 37, 38 13 Saitama wins

Human Monster SagaEdit

Garou Introduction ArcEdit

Participants Chapter(s) Episode(s) Result
Garou vs. Blue Fire, Heavy Tank Fundoshi, Magic Trick Man and Criminals 40 14 Garou wins

The Blizzard Group ArcEdit

Participants Chapter(s) Episode(s) Result
Genos vs. Speed-o'-Sound Sonic 41, 42, 43 14 Interrupted by Saitama
Saitama vs. Fubuki, Eyelashes and Mountain Ape 4142 14 Interrupted by Genos and Sonic
Saitama vs. Speed-o'-Sound Sonic: Round Three 43 14 Saitama wins
Sweet Mask vs. Suppon 44 14 Sweet Mask wins
Garou vs. Tanktop Vegetarian (Off screen) 44 14 Garou wins

Hero Hunt ArcEdit

Participants Chapter(s) Episode(s) Result
Garou vs. Mumen Rider, Tank Topper Army and Charanko 45, 46 15 Garou wins
Garou vs. Red Nose, Studless and Hyottoko (Off screen) 47 15 Garou wins
Garou vs. Golden Ball and Spring Mustachio 49 15 Garou wins
Garou vs. Saitama 50 15 Saitama wins

Monster Raid ArcEdit

Participants Chapter(s) Episode(s) Result
Metal Bat vs. Junior Centipede and Venus Mantrap (Off screen) 51, 54 16 Metal Bat wins
Metal Bat vs. Senior Centipede and Rafflesidon 54, 55 16 Metal Bat wins
Metal Bat vs. Elder Centipede 55, 56, 57 16 Interrupted by Garou
Garou vs. Metal Bat 57, 58 16-17 Interrupted by Zenko
Bofoi vs. Elder Centipede 58, 59 17 Elder Centipede retreats
Pineapple and Mohican vs. Rhino Wrestler 59 17 Rhino Wrestler wins
Heavy Kong vs. Marshall Gorilla (Off screen) 59, 61 17 Marshall Gorilla wins
Lightning Genji vs. Maiko Plasma and Electric Catfish Man 59, 61, 64 17 Electric Catfish Man and Maiko Plasma win
Smile Man vs. Fist Fight Djinn 60 17 Interrupted by Bang
Bang vs. Fist Fight Djinn 60 17 Bang wins
Lightning Max vs. Lin Lin (Off screen) 61 17 Max wins
Dynamite Man, Darkness Blade, Saturn Man and Pandaman vs. Do-S 61 17 Interrupted by the Blizzard Group
Fubuki and the Blizzard Group vs. Do-S 61, 64, 65 17 Interrupted by Tatsumaki
Death Gatling, Butterfly DX and Bone vs. Hundred-Eyes Octopus 6168 None Later interrupted by Flashy Flash
Ecolo G, Studless and unnamed hero vs. Eyesight (Off screen) 61, 67 None Eyesight wins
Saitama vs. Zakos 61 18 Saitama wins
Lightning Max vs. Suiryu 62 18 Suiryu wins
Sneck vs. Benpatsu 62, 63 18 Sneck wins
Volten vs. Bazuzu (Off screen) 63 18 Volten wins
Gatlin vs. Hamukichi (Off screen) 63 18 Gatlin wins
Dave vs. Rosie (Off screen) 63 18 Dave wins
Choze vs. Mentai (Off screen) 63 18 Choze wins
Sour Face vs. Jakumen (Off screen) 63 18 Sour Face wins
Genos vs. Several Monsters 63 18 Genos wins
Genos vs. Face Ripper 63 18 Genos wins
Genos vs. Awakened Cockroach 63, 64 18 Awakened Cockroach retreats
Saitama vs. Bakuzan 64 18 Saitama wins
Genos vs. Gouketsu (Off screen) 64, 66 18 Gouketsu wins
Tatsumaki vs. Do-S's Love Slaves 65 18 Tatsumaki wins, Do-S retreats

Super Fight ArcEdit

Participants Chapter(s) Episode(s) Result
Sneck vs. Fighting Bull-Frog (Flashback - Off screen) 66 None Unknown
Sneck vs. Suiryu 66 18 Suiryu wins
Volten vs. Gatlin (Off screen) 67 None Volten wins
Choze vs. Dave (Off screen) 67 None Choze wins
Saitama vs. Sour Face (Off screen) 67 19 Saitama wins
Drive Knight vs. Monsters 67 19 Drive Knight wins
Child Emperor and Pig God vs. Eyesight 67 19 Child Emperor and Pig God win
Watchdog Man vs. Monsters 67 19-20 Watchdog Man wins
Garou vs. Watchdog Man 67, 77 None Garou retreats
Many Heroes vs. Hundred-Eyes Octopus 68 None Saved by S-Class heroes
Flashy Flash and Tatsumaki vs. Hundred-Eyes Octopus 68 19 Hundred-Eyes Octopus is killed by Tatsumaki
Atomic Samurai vs. Haragiri 69 19 Atomic Samurai wins
Suiryu vs. Volten (Off screen) 69 19 Suiryu wins
Saitama vs. Choze 69 19 Saitama wins
Saitama vs. Suiryu 70 19 Saitama wins, but is disqualified
Tank Topper Army vs. Monsters 70 20 Unknown
Mumen Rider vs. Gyoffrey 70, 71 20 Mumen Rider is saved by Tanktop Master
Sneck and Lightning Max vs. Gouketsu 72 20 Gouketsu wins
Suiryu vs. Choze, Benpatsu, Volten, and Hamukichi 72 20 Suiryu wins
Suiryu vs. Gouketsu 72, 73 20 Suiryu loses
Suiryu, Sneck, and Lightning Max vs. The Three Crows 73 20 Suiryu, Sneck and Max win
Sneck and Lightning Max vs. Gouketsu: Round Two

(Off screen)

73 20 Gouketsu wins
Bakuzan vs. Suiryu 73 20 Bakuzan wins
Bakuzan vs. Gouketsu 74 20 Gouketsu wins
Bakuzan vs. Suiryu: Round Two 74 20 Interrupted by Saitama
Saitama vs. Bakuzan: Round Two 74, 75 21 Saitama wins
Saitama vs. Gouketsu (Off screen) 75 21 Saitama wins
Puri-Puri Prisoner vs. Free Hugger 76 21 Puri-Puri Prisoner wins
Garou vs. King 77 21 Interrupted by Saitama

Monster Association ArcEdit

Participants Chapter(s) Episode(s) Result
Speed-o'-Sound Sonic vs. Hellfire Flame and Gale Wind 78 21 Negotiation
Armored Gorilla vs. Marshall Gorilla 78 21 Armored Gorilla wins
Superalloy Darkshine vs. Destrochloridium 79 21 Superalloy Darkshine wins
Garou vs. Death Gatling, Smile Man, Stinger, Chain'n'toad, Wild Horn, Glasses, Shooter and Gun Gun 81, 82 22-23 Garou wins
Genos vs. Garou 82, 83 23 Interrupted by monsters and Bang
Genos vs. Monsters 83 23 Genos wins
Bomb vs. Monsters 83, 84 23 Bomb wins
Garou vs. Bang and Bomb 83, 84 24 Garou is saved by Phoenix Man
Genos, Bang and Bomb vs. Elder Centipede 84 24 Interrupted by King
King and Saitama vs. Elder Centipede 84 24 King and Saitama win
Garou vs. Monster Worship Party 87 None Garou wins
Garou vs. Thug 87 None Garou wins
Garou vs. Saitama: Round Two 87 None Saitama wins
Garou vs. Royal Ripper and Bug God 8788 None Royal Ripper and Bug God win
Hellfire Flame vs. Gale Wind 89 None Stalemate
Garou vs. Royal Ripper 90 None Garou wins
Garou vs. Unihorn, Showerhead, and Super Mouse 91 None Interrupted by Overgrown Rover
Garou vs. Overgrown Rover 91 None Overgrown Rover wins
Garou vs. Gyoro Gyoro 92 None The battle is interrupted by Orochi
Garou vs. Orochi 92 None Orochi wins
Heroes and Sekingar vs. Monsters 9495 None The Heroes and Sekingar win
Tatsumaki vs. Evil Eye 94 None Tatsumaki wins
Heroes vs. Rhino Wrestler 9495 None Atomic Samurai kills Rhino Wrestler
S-Class Heroes vs. Monsters 9495 None S-Class Heroes win
Flashy Flash vs. Monsters 95 None Flashy Flash wins
Flashy Flash vs. Gale Wind and Hellfire Flame 9596 None Flashy Flash wins
Child Emperor vs. Phoenix Man 97 None Child Emperor wins
Child Emperor vs. Sludge Jellyfish 97 None Child Emperor wins
Child Emperor vs. G5 9798 None Child Emperor retreats
Child Emperor vs. Phoenix Man: Round 2 9899, 100 None Child Emperor wins
Zombieman vs. Monsters 101 None Zombieman wins
Zombieman vs. Pureblood and Monsters 101 None Zombieman wins
Pig God vs. The Great Food Tub 102103 None Pig God wins
Iaian, Okamaitachi and Bushidrill vs. Do-S and Narinki's Private Squad 102 None Interrupted by Sweet Mask
Sweet Mask vs. Do-S and Narinki's Private Squad 103 None Sweet Mask wins
Iaian, Okamaitachi and Bushidrill vs. Devil Long Hair 104110 None Atomic Samurai's Disciples win
Puri-Puri Prisoner vs. Electric Catfish Man, Maiko Plasma and various Monsters 104, 105 None Interrupted by Vacuuma
Puri-Puri Prisoner vs. Vacuuma 105 None Puri-Puri Prisoner wins
Puri-Puri Prisoner vs. "Monsterized" Smelly Lid Prison Escapees 105 None Puri-Puri Prisoner wins
Puri-Puri Prisoner vs. Nyan 105 None Nyan retreats
Superalloy Darkshine vs. Bug God 106 None Superalloy Darkshine wins
Saitama vs. Overgrown Rover and Nyan 106 None Saitama wins
Tatsumaki vs. Gyoro Gyoro 106, 107 None Tatsumaki wins
Saitama vs. Orochi 108 None Saitama wins
King vs. Shape-shifting Monster 109 None King wins
Atomic Samurai vs. G5 110 None G5's core retreats
Atomic Samurai vs. Black Sperm 110-112 None Ongoing
Zombieman vs. Homeless Emperor 112-113 None Ongoing
Sweet Mask vs. Fuhrer Ugly 113-114 None Ongoing
Pig God vs. Gums 114 None Ongoing
Atomic Samurai's Disciples vs. Evil Natural Water 114 None Evil Natural Water wins
Garou vs. Puri-Puri Prisoner 115 None Garou wins
Heroes vs. Nyan 116, 117 None Interrupted by Drive Knight
Drive Knight vs. Nyan 117, 118 None Drive Knight wins
Genos vs. G5 119 None Genos wins
Genos vs. Unnamed Monster Twins 120 None Genos wins
Garou vs. Superalloy Darkshine 121 None Ongoing
Child Emperor vs. Evil Natural Water 121, 122 None Ongoing
Bang, Bomb, and Fubuki vs. Overgrown Rover 123 None Ongoing

Omakes and OVAsEdit

Participants Chapter(s) Episode(s) Result
Blizzard Group vs. Banero (Off screen) A New Wind Blows None The Blizzard Group wins
Fubuki and the Blizzard Group vs. Demonic Fan A New Wind Blows None Demonic Fan wins
Tatsumaki vs. Demonic Fan A New Wind Blows None Tatsumaki wins
Saitama vs. Demonic Fan A New Wind Blows None Saitama wins
Speed-o'-Sound Sonic vs. Base B, Demolition John and Zetsugi of the Miles Prison None Sonic wins
D-Pad and Funeral Suspenders vs. Bull-Bull and Cow's Stomach What Can't Be Bought None Bull-Bull wins, some members of Cow's Stomach are defeated
Saitama vs. Bull-Bull and Cow's Stomach (Off screen) What Can't Be Bought None Saitama wins
Tank Topper Army vs. Robots Big Construction None Interrupted by Metal Knight
Surprise-Attack Plum vs. Police Officers Pork Cutlet Bowl None Surprise-Attack Plum wins
Saitama vs. Surprise-Attack Plum (Off screen) Pork Cutlet Bowl None Saitama wins
Peach Terry and Heavy Kong vs. Grizzly Nyah Child (Off screen) Lost Cat None Grizzly Nyah Child wins
Genos vs. Grizzly Nyah Child (Off screen) Lost Cat None Genos wins
Stinger and Lightning Genji vs. Grizzly Nyah Child Lost Cat None Stinger and Lightning Genji win
Saitama vs. Grizzly Nyah Mother Lost Cat None Saitama wins
Charanko vs. Harsh Path Style Member Lobster None The Harsh Path Style Member wins
Genos and Saitama vs. Harsh Path Style Members Lobster None Genos and Saitama win
Garou vs. Harsh Path Style Members (Off screen) Lobster None Garou wins
Fubuki vs. Hyaha Axe (Off screen) Struggle of the Blizzard Group None Fubuki wins
Darkness Blade, Dynamite Man and Other Heroes vs. Game-Berus Taste None Game-Berus wins
Saitama vs. Game-Berus Taste None Saitama wins
Tatsumaki vs. Gigakigan Tatsumaki's Day Off None Tatsumaki wins
Saitama vs. Lord Great White Sense None Saitama wins
Saitama vs. Speed-o'-Sound Sonic: Round Four Sense None Saitama wins
Child Emperor, Red Muffler, Darkness Blade, Stinger and Great Philosopher vs. Jumping Spider Numbers None Interrupted by Saitama Group
Genos, Saitama and Fubuki vs. Jumping Spider Numbers None The Heroes win
Wild Horn, Pink Hornet, Trap Tengu, Smell Master and Saitama vs. Scaledon Squadron None Scaledon loses to Saitama
King vs. Assassins King's Weekend-like Weekday None The Assassins retreat
Saitama vs. Assassins (Off screen) King's Weekend-like Weekday None Saitama wins
Surly Brothers vs. Macho Daikon Disaster Level None The Surly Brothers win
Surly Brothers vs. Withered Sprout Disaster Level None Withered Sprout wins
Saitama vs. Withered Sprout Disaster Level None Saitama wins
Sweet Mask vs. Monsters Star None Sweet Mask wins
Saitama vs. Men's Esthetician Man (Off screen) None A Shadow That Snuck Up Too Close Saitama wins
Genos vs. Don Pacino and the Pacino Family None The Pupil Who Is An Extremely Poor Talker Genos wins
Speed-o'-Sound Sonic vs. Shadowy Figure (Sonic's Dream) None The Ninja Who Is Too Complicated The Shadowy Figure wins
Speed-o'-Sound Sonic vs. Saitama (Sonic's Imagination) None The Ninja Who Is Too Complicated Saitama wins
Speed-o'-Sound Sonic vs. Giant Snake None The Ninja Who Is Too Complicated Sonic wins
Speed-o'-Sound Sonic vs. Saitama (Sonic's Imagination) None The Ninja Who Is Too Complicated Sonic wins
Frank vs. Bear None The Ninja Who is Too Complicated Frank is saved by Saitama
Fubuki vs. Seafolk None The Sisters Who Have Too Many Things Happening Fubuki wins

Non-Physical Fights/GamesEdit

Participants Chapter(s) Episode(s) Result
Saitama vs. Genos (Noodle Eating Challenge) None 5 Genos wins
Saitama vs. King (Video Games) 79 None King wins
Saitama vs. King (Video Games) 83 None King wins 81 times
Saitama vs. Genos vs. King vs. Bang vs. Bomb vs. Fubuki vs. Dr. Kuseno (Hot Pot) 89 None No Result
Saitama Group vs. Fubuki and Blizzard Group (Video Games) Numbers None Saitama Group wins
Saitama vs. King (Video Games) King's Weekend-like Weekday None King wins
Saitama vs. Bang (Karuta) None Bang, Who Is Too Overbearing Draw
Genos vs. Bang (Head Cover Rock-Paper-Scissors) None Bang, Who Is Too Overbearing Bang wins
Saitama vs. Bang (Head Cover Rock-Paper-Scissors) None Bang, Who Is Too Overbearing 81 Losses - 1 Win for Saitama

Audio BooksEdit

Participants Audio Book Audio Book Story Result
Genos vs. Simulation Mosquito Girl Maji Drama CD Vol. 2 Genos, Training Genos wins
Genos vs. Simulation Deep Sea King Maji Drama CD Vol. 2 Genos, Training Genos wins
Genos vs. Simulation Carnage Kabuto Maji Drama CD Vol. 2 Genos, Training Simulation Carnage Kabuto wins
Saitama vs. Simulation Monsters Maji Drama CD Vol. 2 Genos, Training Saitama wins
Saitama vs. Simulation Genos Maji Drama CD Vol. 2 Genos, Training Saitama wins
Sneck vs. Simulation Carnage Kabuto Maji Drama CD Vol. 2 Genos, Training Simulation Carnage Kabuto wins
Metal Bat vs. Simulation Carnage Kabuto Maji Drama CD Vol. 2 Genos, Training Simulation Carnage Kabuto wins
Zombieman vs. Simulation Carnage Kabuto Maji Drama CD Vol. 2 Genos, Training Zombieman wins
Superalloy Darkshine vs. Simulation ​​​​​Carnage Kabuto Maji Drama CD Vol. 2 Genos, Training Superalloy Darkshine wins
Superalloy Darkshine vs. Simulation Saitama Maji Drama CD Vol. 2 Genos, Training Simulation Saitama wins
Saitama vs. Simulation Saitama from yesterday Maji Drama CD Vol. 2 Genos, Training Saitama wins
Speed-o'-Sound Sonic vs. Saitama 11th Match Maji Drama CD Vol. 3 Sonic, Becoming Saitama Saitama wins
Speed-o'-Sound Sonic posing as Saitama vs. Atomic Samurai Maji Drama CD Vol. 3 Sonic, Becoming Saitama Interrupted by Tatsumaki
Mumen Rider and Speed-o'-Sound Sonic posing as Saitama vs. Angry Grandpa Maji Drama CD Vol. 3 Sonic, Becoming Saitama Mumen Rider and Sonic win
Speed-o'-Sound Sonic and Saitama vs. Energiser Maji Drama CD Vol. 3 Sonic, Becoming Saitama Sonic and Saitama win
Bang vs. Metal Bat Maji Drama CD Vol. 4 Charanko, Learning Stalemate

Original WebcomicEdit

Participants Chapter(s) Episode(s) Result
Saitama vs. Vaccine Man 1 1 Saitama wins
Saitama vs. Crablante 2 1 Saitama wins
Saitama vs. Marugori 3 1 Saitama wins
Saitama vs. Subterraneans (Saitama's Dream) 4 1 Saitama wins
Saitama vs. Subterranean King 4 1 Saitama wins
Saitama vs. Mosquito 5, 6 2 Interrupted by Genos
Genos vs. Mosquito Girl 5, 6 2 Genos is saved by Saitama
Saitama vs. Kamakyuri, Slugerous, Frog Man, Ground Dragon and Beast King 7, 8 2 Saitama wins
Genos vs. Armored Gorilla 7, 8 2 Genos wins
Carnage Kabuto vs. Dr. Genus Clone 9 3 Carnage Kabuto wins
Genos vs. Carnage Kabuto 10 3 Carnage Kabuto wins
Saitama vs. Carnage Kabuto 10, 11 3 Saitama wins
Mumen Rider vs. Paradise Group and Hammerhead (Off screen) 12 4 The Paradise Group and Hammerhead win
Speed-o'-Sound Sonic vs. Paradise Group and Hammerhead 13 4 Sonic wins
Saitama vs. Hammerhead 14 4 Saitama wins
Saitama vs. Speed-o'-Sound Sonic 14, 15 4 Saitama wins
Saitama vs. Sneck 16 5 Saitama wins
Saitama vs. Genos 17 5 Saitama wins
Saitama vs. Speed-o'-Sound Sonic: Round Two 18, 19 6 Saitama wins
Speed-o'-Sound Sonic vs.Tanktop Tiger 19 6 Speed-o'-Sound Sonic wins
Genos, Bofoi and Saitama vs. Meteor 20, 21, 22 7 The meteor is destroyed
Saitama vs. Tanktop Tiger and Tanktop Black Hole 23 7 Saitama wins
Saitama vs. Seafolk 24 8 Saitama wins
Stinger vs. Seafolk 24 8 Stinger wins
Stinger vs. Deep Sea King 24 8 Deep Sea King wins
Lightning Max vs. Deep Sea King 25 8 Deep Sea King wins
Puri-Puri Prisoner vs. Deep Sea King 26, 27 8 Deep Sea King wins
Speed-o'-Sound Sonic vs. Deep Sea King 27, 28 8 Sonic retreats
Sneck, All Back-Man, Jet Nice Guy and Bunbunman vs. Deep Sea King 29 8 Deep Sea King wins
Genos vs. Deep Sea King 29, 30 9 Deep Sea King wins
Mumen Rider vs. Deep Sea King 30 9 Deep Sea King wins
Saitama vs. Deep Sea King 30, 31 9 Saitama wins
Charanko vs. Genos 32 10 Genos wins
Sky King, Hawk, Eagle and Kite vs. Melzargard 33, 34 10 Melzargard wins
Iaian vs. Melzargard 34, 35 10 Interrupted by Atomic Samurai
Atomic Samurai, Bang, Metal Bat and Puri-Puri Prisoner vs. Melzargard 35, 36, 37, 38, 39 10, 11, 12 The Heroes win
Saitama vs. Groribas 36 11 Saitama wins
Saitama vs. Geryuganshoop 37, 38 11 Saitama wins
Saitama vs. Boros 38, 39, 40 11, 12 Saitama wins
King vs. Tongue Stretcher 42 13 King wins
Genos vs. G4 43 13 Genos wins
Saitama vs. Giant Crow 44 13 Saitama wins
Saitama vs. Octopus Claw Man (Pre-Series) 44 None Saitama wins
Garou vs. Blue Fire, Heavy Tank Loincloth, Magic Trick Man and Criminals 46 14 Garou wins
Genos vs. Speed-o'-Sound Sonic 48, 49 14 Interrupted by Saitama
Saitama vs. Fubuki, Eyelashes and Mountain Ape 47, 48 14 Interrupted by Genos and Sonic
Saitama vs. Speed-o'-Sound Sonic: Round Three 49 14 Saitama wins
Sweet Mask vs. Suppon 50 14 Sweet Mask wins
Garou vs. Tanktop Vegetarian (Off screen) 50 14 Garou wins
Bang vs. Charanko (Off screen) 51 None Bang wins
Garou vs. Mumen Rider, Tank Topper Army and Charanko 51, 52 15 Garou wins
Garou vs. Death Gatling 53 22-23 Garou wins
Garou vs. Genos 53 23 Interrupted by Bang and Bomb
Garou vs. Bang and Bomb 53, 54 24 Interrupted by Senior Centipede, Bug God and two other monsters
Garou vs. Saitama (Dine-and-Dash) 55 None Saitama wins
Garou vs. Senior Centipede, Bug God, and Royal Ripper 56 None Bug God and Royal Ripper wins, Senior Centipede is killed
Saitama vs. Fubuki vs. Genos vs. Bang vs Bomb vs King (Hotpot) 57 None King loses. Everyone else annoys each other
Garou vs. Royal Ripper 58 None Garou wins
Garou vs. Overgrown Rover 58, 59 None Garou wins
Garou vs. Psykos 59 None Psykos wins
Flashy Flash vs. Gale and Hellfire* 60 None Flashy Flash wins
Child Emperor vs. Phoenix Man 60 None Child Emperor wins
Sweet Mask vs. Goddess Glasses 60 None Sweet Mask wins
Zombieman vs. Pureblood 60 None Zombieman wins
Pig God vs. The Great Food Tub 60 None Pig God wins
Superalloy Darkshine vs. Bug God 61 None Superalloy Darkshine wins
Iaian, Okamaitachi, and Bushidrill vs. Devil Long Hair 61, 62 None Iaian, Okamaitachi, and Bushidrill win
Puri-Puri Prisoner vs. Garou 62 None Garou wins
Saitama vs. Overgrown Rover 64 None Saitama wins
Saitama vs. Flashy Flash 65, None Saitama wins
Iaian, Okamaitachi, and Bushidrill vs. Evil Natural Water (Off screen) 66 None Evil Natural Water wins
Warning The following section contains Webcomic spoilers. You have been warned, manga-only readers.
Participants Chapter(s) Episode(s) Result
Tatsumaki vs. Psykos 62, 67, 68, 69, 70 None Psykos is forced out from hiding
Atomic Samurai vs. Black Sperm 62, 63, 67, 68 None Black Sperm wins
Zombieman vs. Homeless Emperor 64, 67 None Homeless Emperor wins
Sweet Mask vs. Fuhrer Ugly 65, 67 None Interrupted by Tatsumaki
Pig God vs. Gums 65, 67, 68 None Interrupted by Tatsumaki
Child Emperor vs. Evil Natural Water 66, 67, 68 None Interrupted by Tatsumaki
Superalloy Darkshine vs. Garou 68, 69, 76 None Garou wins
Fubuki, Genos, Bang, and Bomb vs. Overgrown Rover 69 None Overgrown Rover stops attacking

Fubuki, Genos, Bang, and Bomb retreat

Tatsumaki vs. Fuhrer Ugly, Gums, Evil Natural Water, Homeless Emperor, Black Sperm, Psykos 71, 72, 73 None Tatsumaki loses
Genos vs. Fuhrer Ugly, Gums, Evil Natural Water, Homeless Emperor, Black Sperm, Psykos 71, 72, 73 None Genos loses
Bang vs. Fuhrer Ugly, Gums, Homeless Emperor, Black Sperm, Psykos 72 None Fuhrer Ugly and Gums die before Bang and Bomb are incapacitated
King vs. Evil Natural Water, Homeless Emperor, Black Sperm, Psykos 73, 74 None Interrupted by Fubuki and Zombieman
Fubuki vs. Psykos 74, 76, 77 None Fubuki wins
Zombieman vs. Homeless Emperor (Round Two) 74, 79 None Zombieman wins
Sweet Mask vs. Black Sperm and Evil Natural Water 75, 78 None Interrupted by Tatsumaki
Fubuki vs. Garou 78 None Garou intimidates Fubuki into hiding
Evil Natural Water vs. King, Atomic Samurai, Pig God, Child Emperor and Tatsumaki 78, 79 None Evil Natural Water is weakened
Tatsumaki vs. Black Sperm 79, 80 None Black Sperm holds Busaiku hostage and Golden Sperm forms
Garou vs. Black Sperm 81, 82 None Garou wins
Garou vs. Sweet Mask, Atomic Samurai, Pig God, Zombieman, Tatsumaki, and Child Emperor 82, 83, None Garou wins
Garou vs. Flashy Flash, Superalloy Darkshine, and Puri-Puri Prisoner 84, 85, 86 None Garou wins
Saitama vs. Evil Natural Water 86 None Saitama wins
Saitama vs. Garou 87, 88, 89, 90, 91, 92 None Saitama wins
Bang vs. Garou 94 None Garou escapes
Pig God and Air vs. Evil Natural Water 95 None Pig God wins, Air is injured
Saitama vs. Metal Knight's Defense System 96 None Saitama wins
Saitama vs. Forte 98 None Forte gets run over by a car
Blizzard Group vs. Tatsumaki 98, 99 None Tatsumaki wins
Tatsumaki vs. Fubuki 99, 100, 101 None Interrupted by Saitama
Saitama vs. Pot Bellee, Tongue Stretcher, Man-Eating Capybara, Twin-Headed Tsuchinoko, and several other monsters 100, 101 None Saitama wins 
Saitama vs. Tatsumaki 101, 102, 103, 104 None Both parties back down
Saitama, Tatsumaki, and Feather vs. A-Class Bounty Big Iron and his group of criminals 104 None Saitama and Tatsumaki win
Metal Bat vs. Kenzan Rat 104 None Interrupted by Saitama and Tatsumaki
Kenzan Rat vs. Saitama and Tatsumaki 104 None Saitama and Tatsumaki win
Speed-o'-Sound Sonic vs. Saitama and Tatsumaki 104 None Sonic loses
Blizzard Group vs. Tatsumaki 105 None Interrupted by Saitama
Blast vs. Unnamed Monster 106 None Blast wins
Dynamite Man, Reclusamurai, Ecolo G, and Magic Trick Man vs Forest Tribe and Forest King 108 None Interrupted by Genos

Genos vs. Forest King (Off screen)

108 None Genos wins

Genos vs. Saitama (Round Two)

108 None Genos backs down
King vs. Atomic Samurai 109 None King convinces Atomic Samurai to not fight
Saitama vs. Flashy Flash 112, 113 None Interrupted by Genos
Genos and Flashy Flash vs. Internet Surfers 114 None Genos and Flash win
Flashy Flash vs. Speed-o'-Sound Sonic 116 None Interrupted by Heavenly Ninja Party
Flashy Flash and Speed-o'-Sound Sonic vs. Heavenly Ninja Party 117 None Flash and Sonic win
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