Ryusei Kumagai

ONE 172: Takeru vs. Rodtang was a combat sports event produced by ONE Championship that took place on March 23, 2025, at the Saitama Super Arena in Saitama, Japan. A five-round flyweight kickboxing superfight between former ONE Flyweight Muay Thai World Champion Rodtang Jitmuangnon and former three-divisions K-1 World Champion Takeru Segawa headlined the event.

THE KNOCK OUT takes place on June 22, 2025, at the Yoyogi National Gymnasium Second Gymnasium in Tokyo, Japan. Key fights include the main event title rematch between Taimu Hisai and Ryusei, plus title bouts like Shogo Kuriaki vs. Kazuma Kuramoto, Isshi vs. Yuki Morioka, and Yota Shigemori vs. Kongnapa Weerasakreck.