Ippo is a high school student who works full time at his mother's fishing though. Because of this, he gets bullied on by the kids at his school. That's when his life turns around, when a professional boxer happens to be jogging along the way, and introduces Ippo to the world of boxing.

Ippo succeeds in catching 10 falling leaves, and is granted his first sparring session.

Ippo loses his first sparring session, but shows enough potential to be accepted into the gym.

Ippo practices shadow boxing.

Ippo trains for a rematch.

Ippo and Miyata face off in a rematch.

Ippo and Miyata are in the last round and Ippo does a short upercut to Miyata's chin, Miyara was knocked down and was unable to get up, Ippo wins the rematch.

Ippo trains with Takamura and discovers the hardship of pro boxing.

Ippo takes the License Test and meets Mashiba.

Ippo and his opponent Yusuke train for Ippo's debut match.

Ippo defeats Yusuke via K.O.

Ippo fights and wins his second match via K.O.,After the fight he was befriended by Umezawa, his former bully.

Ippo and his opponent Jason prepare for the first match of the Rookie King Tournament.

Start of Ippo vs Jason match, both men exchange powerful punches but neither goes down.

Ippo defeats Jason via K.O. after a tough match.

Ippo watches the fight videos of Kobashi and Hayami, his future opponents.

Ippo joins Takamura, Kimura, and Aoki in a training camp near the beach.

Start of Ippo vs Kobashi match, Ippo is loosing by points because of Kobashi's strategy.

Kobashi abandoned his strategy and loses the match to Ippo via K.O.

Takamura wins the Japanese Middleweight Championship belt, Ippo trains with Aoki to counter Hayami's Shotgun punch.

Start of Ippo vs Hayami fight, Hayami takes the advantage during the early rounds.

Ippo defeats Hayami via K.O. Ippo's training with Aoki and Kimura's help Ippo win the match.

Ippos day off. Miyata and Mashiba face off.

Miyata and Mashiba continues to fight. Ippo is angred by the outcome.

Ippo trains for Mashiba flicker jabs

Ippo VS Mashiba Round 1

Ippo VS Mashiba continues

Ippo defeats Mashiba for Rookie King of Eastren Japan.

Sendo goes to Japan to meet Ippo and make him go to All Japan and gets a chance to spar with Takamura.

Ippo learns how to heal his right fist and gets ready for the All Japan but something happens his powerful right punches!

A recap of the boxing matches that have taken place thus far.

Ippo is still having trouble with his right fist but his match with Sendo begins.

Ippo tries a different fighting stance making his match with Sendo only get more intense.

Ippo and Sendo keep fighting, the crowd starts cheering Sendo on and the match reaches its climax.

Ippo graduates and takes photos with people from his school. New people join the gym and are put to the test by running with Takemura, Ippo, Aoki, and Kimura.

Kimura, Aoki, and Takemura each fight their match. Ippo spars with the featherweight champion, Date.

Dante uses his secret weapon on Ippo, the fact that Date used it on Ippo made Okita challenge Ippo to a real match.

Okita uses moves that makes him unpredictable for Ippo. Okita also uses a fighting style like Dante and he uses a corkscrew.

Miyata's in Thailand and he get's a tough opponent with a great record, Jimmy Sisfa.

Miyata's fight with Jimmy Sisfa begins, Miyata starts off bad and when that happens Miyata tries a counter punch.

Aoki, Kimura, and Ippo all try going A-class. Yamada has his first fight. All the guys want to go to training camp.

Ippo's mother collapses from overworking so Ippo has to look after the family business. Ippo thinks about quitting boxing so that his mother doesn't overwork herself again.

Ippo gets ready for his match against Saeki the Speed Star.

Ippo fights Saeki.

Gero-michi leaves and has to move away.

Aoki and Kimura fight their matches. Kamogawa wants Ippo to train his legs to get flexible muscles so that he can deliver a more powerful punch that can beat Volg.

Ippo meets Volg after Volg gets lost. Volg tells Ippo that he boxes so he can get money for his mother.

The match between Volg and Ippo begins.

Volg and Ippo continue to duke it out in a hard-fought and long battle.

The end of the Volg match.

Group date, literally. Ippo walks Mashiba's Kumi home.

Recap episode.

Background episode for Date Eiji.

Takemura has real trouble at the beginning of his match. Ippo finds out that Mashiba won the championship and celebrates with him and his sister.

Ippo's title match with Date has begun, Date is surprised by how much better Ippo is since the last time he sparred with him.

Ippo punches Date in the face quite a bit but Date isn't taking the full impact of the punch because he's twists his neck.

Both Ippo and Date are beaten up bad. The match reaches the climax.

After Ippo loses he finds out that Sendo and Volg will fight for the title. Kamogawa tells Ippo that he shouldn't go to the gym for three months because of all the damage from his fights. Ippo goes out with Kumi, Mashiba's sister.

The match between Sendou Takeshi and Volg Zangief starts.

Sendou versus Volg concludes.

Miyata Ichirou defeats Li Chou Bil.

Coach returns from the hospital, and Makunochi "hits without being hit".

The past of Aoki and Kimura is shown.

Second part of Aoki's and Kimura's past.

The group go to training camp in the mountains.

Takamura fights a bear.

Ippo spars with Shigeta who's ranked fourth among Japanese featherweights and who also uses southpaw. People find out about Takemura fight with a bear. There is talk about Takemura getting a world title fight.

Aoki, Kimura, and Takemura all fight their fights. Before fighting Takemura makes a grand entrance wearing a bear pelt and fight his match only using his left hand. Nekota starts teaching at the gym for a bit.

Sendo begins his title defense match with Shigeta the southpaw user. Sendo fights Shigeta but gets more angry with him as the fight goes on.

Ippo invites Kumi to the zoo. Kumi lets Ippo know that she was the one who wrote idiot outside the gym. Sendo's grandma tells Iimura Mari about Sendo's childhood and how he was brought up.

Ippo reads Mari's article. Ippo invites Nekota to his fight. Both Sendo and Ippo have their weigh in. Sendo and Ippo begin their rematch with Ippo getting a very early knockdown on Sendo.

Sendo and Ippo's fight begins guns blazing with the two giving each other blow for blow. Ippo finds out that Sendo has the advantage of having a bigger frame.

Ippo starts the third round by charging at Sendo but then hesitates which leads to Sendo beating Ippo all through the third round. The fourth round is a different story being more in the favor of Ippo.

A flashback shows how Sendo joined his gym. Ippo gets knocked down two times but when he gets up the fifth round gets more brutal. The fifth round ends and after that, the sixth round begins and is just as brutal as the last round.

The match between Ippo and Sendo finally reaches its conclusion after seven ruthless rounds.