Here is a list of Wakamatsu's best fights. For a list of Wakamatsu's losses, refer to "Yuya Wakamatsu Losses".
On March 23, 2025 Yuya Wakamatsu fought Adriano Moraes in a flyweight title fight for the ONE Championship title. Wakamatsu was 30 years old and with a record of 19-6 (12), and Moraes was 36 years old and with a record of 21-5 (15). Wakamatsu stopped Adriano Moraes via 1st-round TKO and is crowned the new ONE flyweight champion.
On July 1, 2018 Yuya Wakamatsu faced off against Mamoru Yamaguchi in a flyweight bout at age 23. He was coming in with a record of 10-2 (8), and Yamaguchi was 41 years old and with a record of 31-11-5 (15). Wakamatsu won the fight via 2-round unanimous decision.
On March 12, 2017 Yuya Wakamatsu faced off against Yuki Uejima in a flyweight bout at age 22. He was coming in with a record of 7-1 (6). Wakamatsu stopped Yuki Uejima via TKO.
On September 11, 2016 Yuya Wakamatsu faced off against Kazuhisa Tanaka in a flyweight bout at age 21. He was coming in with a record of 5-1 (5). Wakamatsu stopped Kazuhisa Tanaka via KO.
On December 20, 2015 Yuya Wakamatsu faced off against Sadashi Hamamatsu in a flyweight bout at age 20. He was coming in with a record of 2-1 (2). Wakamatsu stopped Sadashi Hamamatsu via TKO.
On December 18, 2016 Yuya Wakamatsu faced off against Yusuke Ogikubo in a flyweight bout at age 21. He was coming in with a record of 6-1 (5). Wakamatsu won the fight via 3-round split decision.
On June 12, 2016 Yuya Wakamatsu faced off against Masayuki Watanabe in a flyweight bout at age 21. He was coming in with a record of 4-1 (4). Wakamatsu stopped Masayuki Watanabe via TKO.
On July 15, 2023 Yuya Wakamatsu faced off against Xie Wei in a flyweight bout at age 28. He was coming in with a record of 16-6 (11). Wakamatsu stopped Xie Wei via TKO.
On April 21, 2021 Yuya Wakamatsu faced off against Reece McLaren in a flyweight bout at age 26. He was coming in with a record of 14-4 (10). Wakamatsu won the fight via 3-round unanimous decision.
On March 13, 2016 Yuya Wakamatsu faced off against Naoki Tanada in a flyweight bout at age 21. He was coming in with a record of 3-1 (3). Wakamatsu stopped Naoki Tanada via TKO.
