On May 2, 2026, Jin Sasaki defeated Sora Tanaka by split decision in a 10-round welterweight bout for the OPBF title at Tokyo Dome in Tokyo, Japan. Sasaki edged a very close fight thanks to higher activity and stronger moments in the later rounds, while Tanaka had cleaner and more precise punching in several exchanges, but it wasn’t enough to swing the judges’ scorecards in his favor (97–93, 96–94, 94–96).