Thanongsak Simsri losses
Over 8 years as a professional, Thanongsak Simsri has compiled a 41-1 (36) record, including eight title fights across two weight classes. His only loss came against Masamichi Yabuki.
1. Thanongsak Simsri loses to Masamichi Yabuki via KO
On September 10, 2022 Thanongsak Simsri faced Masamichi Yabuki in a light flyweight bout. Simsri was 22 years old with a record of 24-0, and Yabuki was 30 with a record of 13-4. Simsri was on an undefeated 24-fight winning streak, while Yabuki was coming off a loss. Yabuki stopped Simsri via TKO in the 7th round.