Main Article: Naomichi Yamada
Hammer Nao's Transformation
Hammer Nao Sparring
Hammer Nao - Sparring Body Blow
Ippo meeting Hammer Nao
Nao's Ring Entrance
Leaving the Ring
Nao thanking Ippo
Geromichi preparing for his Pro Test
Geromichi about to spar
Geromichi during Pro Test
Geromichi meeting Ippo
Geromichi and his mother
Aoki, Kimura, Ippo, Takamura, and Geromichi
Geromichi downs opponent
Geromichi send off spar
Ippo and Geromichi after Pro Test
Ippo and Geromichi practicing for Saeki match
Kimura, Ippo, Takamura, Geromichi, Aoki
Training Camp with Typhoon
Ippo knocking down Hammer Nao
Nao standing up
Nao opening Ippo's Defense
Nao pulling Ippo's arm
Solar Plexus Blow
Hammer Nao hold on
Match Over
Hammer Nao
Ippo vs Yamada
Yamada hits Ippo with a punch
Ippo tries to catch Yamada at the end of the fight
Yamada thanks Ippo from the distance
Naomichi
Yamada (New Challenger)