Ryuichi Oiwa Secures His First Tour Victory at Casio World Open 2025 Ryuichi Oiwa, sponsored by Sankei Building, achieved his first tour victory at the Casio World Open 2025, showcasing resilience and growth.

Ryuichi Oiwa Secures His First Tour Victory at Casio World Open 2025 #Japan #Tokyo #Sankei_Building #Ryuichi_Oiwa #Casio_World_Open