Here is a list of Yabuki's best fights. For a list of Yabuki's losses, refer to "Masamichi Yabuki Losses".
On September 22, 2021 Masamichi Yabuki fought Kenshiro Teraji in a light-flyweight world-title fight for Teraji's WBC title. Yabuki was 29 years old and with a record of 13-3 (12), and Teraji was 29 years old and with a record of 18-0 (10). Yabuki stopped Kenshiro Teraji via 10th-round TKO and is crowned the new light-flyweight world champion.
On December 27, 2025 Masamichi Yabuki met Felix Alvarado in a flyweight (IBF) world-title defense fight. Yabuki was 33 years old and with a record of 19-4 (18), and Alvarado was 36 years old and with a record of 42-4 (35). Yabuki stopped Felix Alvarado via 12th-round KO and successfully defended his title.
On March 29, 2025 Masamichi Yabuki fought Ángel Ayala in a flyweight world-title fight for Ayala's IBF title. Yabuki was 32 years old and with a record of 18-4 (17), and Ayala was 24 years old and with a record of 17-0 (8). Yabuki stopped Ángel Ayala via 12th-round TKO and is crowned the new flyweight world champion.
On October 12, 2024 Masamichi Yabuki fought Sivenathi Nontshinga in a light-flyweight world-title fight for Nontshinga's IBF title. Yabuki was 32 years old and with a record of 17-4 (16), and Nontshinga was 25 years old and with a record of 13-1 (10). Yabuki stopped Sivenathi Nontshinga via 9th-round TKO and is crowned the new light-flyweight world champion.
On July 26, 2020 Masamichi Yabuki faced off against Tsuyoshi Sato in a light-flyweight bout at age 28. He was coming in with a record of 11-3 (11). Yabuki stopped Tsuyoshi Sato via KO.
