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.
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.