Slam Dunk is the perfect substitute for Hajime No Ippo since it features similar characters and an entertaining blend of comedy and sports action
Ashita no Joe - This classic boxing anime follows the journey of Joe Yabuki, a troubled young man who finds purpose and redemption through boxing
Baki follows Baki just like Ippo trains relentlessly, facing off against formidable opponents from around the world in various martial arts tournaments
Dragon Ball Z follows Goku and his friends as they defend the Earth from powerful foes
One Outs - While it's focused on baseball rather than boxing, One Outs shares similarities with Hajime no Ippo in terms of strategic gameplay and psychological battles between opponents
Yuri!!! on Ice - Though it's about figure skating rather than boxing, Yuri!!! on Ice offers intense sports competition and a unique focus on the world of professional figure skating