The Osaka Prefectural Gymnasium is an indoor sporting arena located in Namba, Osaka, Japan. Ippo and Sendou have their All Japan Rookie King Tournament match here.
It first opened in 1952 and the current building was constructed in 1987. It's capacity is roughly 6000, twice that of Kourakuen Hall. The facility is used even for world matches.
- This is the first stadium outside of the Kourakuen Hall that Ippo fights in.
- ↑ Chapter 97