Maezono took part in the Class A Tournament, and was matched up against Fukui Kyōsuke in the first round. When his match against Fukui arrived, he went to the Kōrakuen Hall. When the match began, it came down to a close decision, where Maezono emerged as the winner.
When the Class A Tournament semi-finals arrived, Maezono was to fight against Saeki Takuma. When his match against Saeki arrived, he went to the Kōrakuen Hall. When the match began, Maezono lost against Saeki by knockout in the fifth round.
|?||LOSS||Unknown||1997||Saeki Takuma||Tokyo , Japan||5(8)||KO||Class A Tournament Semi-Finals|
|?||WIN||Unknown||1997||Fukui Kyōsuke||Tokyo , Japan||6(6), 3:00||Decision||Class A Tournament Round 1|
|?||LOSS||Unknown||1995||Hoshi Hiroyuki||Osaka, Japan||?(6)||KO||West Japan Rookie King Tournament Finals|
Maezono, being left handed assumes a Southpaw stance giving him a strategical advantage over most boxers.