Kosei Yamada (山田洸誓; born 4 November 1992) is a retired Japanese kickboxer, who spent his entire professional career competing in the super lightweight division of RISE.
[8] He won the fight by a first-round knockout, stopping his opponent with a left hook at the one-minute mark of the round.
[10] He won the fight by a third-round knockout, knocking Morimoto with a flying knee 35 seconds into the last round.
[15] Yamada was scheduled to face Tapruwan at RISE WORLD SERIES 2019 Semi-Final Round in OSAKA on July 21, 2019.
Following the third knockdown of the bout, the referee decided to stop the fight, awarding Yamada the technical knockout.
[19] Yamada maintained the pace of the bout, and cruised to a comfortable unanimous decision victory, with scores of 30–29, 30–29, 30–28.
Yamada was scheduled to face Katsuki Kitano at RISE DEAD OR ALIVE 2020 Osaka on November 1, 2020.
[20] During the post-fight press conference, Kitano called for a rematch with Yamada, for the latter's super lightweight title.
[31] He won the fight by a third-round knockout, stopping Kaffa with a right hook at the 1:23 minute mark of the round.