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Rintaro Koide (小出琳太郎) (2023KOID01) has 2 nemeses in the country (Japan):

	WCA ID	Name
2008UENO01: Shuto Ueno (上野柊斗) View WCA profile Head to head with 2023KOID01 See who I nemesize (2903)	2008UENO01	Shuto Ueno (上野柊斗)	View Shuto Ueno (上野柊斗)'s WCA profile	Compare Shuto Ueno (上野柊斗) with Rintaro Koide (小出琳太郎)
2019TAMU01: Takumi Tamura (田村匠) View WCA profile Head to head with 2023KOID01 See who I nemesize (2534)	2019TAMU01	Takumi Tamura (田村匠)	View Takumi Tamura (田村匠)'s WCA profile	Compare Takumi Tamura (田村匠) with Rintaro Koide (小出琳太郎)

Based on data export from 2nd December 2025
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