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 May 28, 2017 Yuya Wakamatsu faced off against Takahiro Furumaki in a flyweight bout at age 22. He was coming in with a record of 8-1 (7). Wakamatsu stopped Takahiro Furumaki via KO.
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 October 8, 2017 Yuya Wakamatsu faced off against Shohei Masumizu in a flyweight bout at age 22. He was coming in with a record of 9-1 (8). Wakamatsu stopped Shohei Masumizu via TKO.
On January 28, 2024 Yuya Wakamatsu faced off against Danny Kingad in a flyweight bout at age 28. He was coming in with a record of 17-6 (11), and Kingad was 28 years old and with a record of 15-3 (3). Wakamatsu won the fight via 3-round unanimous decision.
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 November 6, 2020 Yuya Wakamatsu faced off against Kim Kyu-sung in a flyweight bout at age 25. He was coming in with a record of 13-4 (10). Wakamatsu stopped Kim Kyu-sung via KO.
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.
