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Kazuki Ojima (尾島和樹) (2017OJIM01) has 2 nemeses in the country (Japan):

	WCA ID	Name
2012YANA01: Taku Yanai (矢内拓) View WCA profile Head to head with 2017OJIM01 See who I nemesize (2772)	2012YANA01	Taku Yanai (矢内拓)	View Taku Yanai (矢内拓)'s WCA profile	Compare Taku Yanai (矢内拓) with Kazuki Ojima (尾島和樹)
2021YAMA01: Kai Yamamoto (山本快) View WCA profile Head to head with 2017OJIM01 See who I nemesize (2806)	2021YAMA01	Kai Yamamoto (山本快)	View Kai Yamamoto (山本快)'s WCA profile	Compare Kai Yamamoto (山本快) with Kazuki Ojima (尾島和樹)

Based on data export from 2nd December 2025
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