Nemesizer: Find out who's better than you at speed-solving Rubik's cubes

Yusuke Kosaka (髙阪優輔) (2019KOSA01) has 10 nemeses in the country (Japan):

	WCA ID	Name
2007NAKA03: Yu Nakajima (中島悠) View WCA profile Head to head with 2019KOSA01 See who I nemesize (2616)	2007NAKA03	Yu Nakajima (中島悠)	View Yu Nakajima (中島悠)'s WCA profile	Compare Yu Nakajima (中島悠) with Yusuke Kosaka (髙阪優輔)
2008TAKA01: Yuhei Takagi (高木佑平) View WCA profile Head to head with 2019KOSA01 See who I nemesize (2547)	2008TAKA01	Yuhei Takagi (高木佑平)	View Yuhei Takagi (高木佑平)'s WCA profile	Compare Yuhei Takagi (高木佑平) with Yusuke Kosaka (髙阪優輔)
2008UENO01: Shuto Ueno (上野柊斗) View WCA profile Head to head with 2019KOSA01 See who I nemesize (2625)	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 Yusuke Kosaka (髙阪優輔)
2010SUGA01: Sei Sugama (洲鎌星) View WCA profile Head to head with 2019KOSA01 See who I nemesize (2591)	2010SUGA01	Sei Sugama (洲鎌星)	View Sei Sugama (洲鎌星)'s WCA profile	Compare Sei Sugama (洲鎌星) with Yusuke Kosaka (髙阪優輔)
2012YANA01: Taku Yanai (矢内拓) View WCA profile Head to head with 2019KOSA01 See who I nemesize (2485)	2012YANA01	Taku Yanai (矢内拓)	View Taku Yanai (矢内拓)'s WCA profile	Compare Taku Yanai (矢内拓) with Yusuke Kosaka (髙阪優輔)
2013KATO01: Eva Kato (加藤映葉) View WCA profile Head to head with 2019KOSA01 See who I nemesize (2603)	2013KATO01	Eva Kato (加藤映葉)	View Eva Kato (加藤映葉)'s WCA profile	Compare Eva Kato (加藤映葉) with Yusuke Kosaka (髙阪優輔)
2013KOBA01: Tomohiro Kobayashi (小林知広) View WCA profile Head to head with 2019KOSA01 See who I nemesize (2623)	2013KOBA01	Tomohiro Kobayashi (小林知広)	View Tomohiro Kobayashi (小林知広)'s WCA profile	Compare Tomohiro Kobayashi (小林知広) with Yusuke Kosaka (髙阪優輔)
2014TANA01: Takayuki Tanaka (田中隆喜) View WCA profile Head to head with 2019KOSA01 See who I nemesize (2518)	2014TANA01	Takayuki Tanaka (田中隆喜)	View Takayuki Tanaka (田中隆喜)'s WCA profile	Compare Takayuki Tanaka (田中隆喜) with Yusuke Kosaka (髙阪優輔)
2017SASA03: Akifumi Sasaki (佐々木彰史) View WCA profile Head to head with 2019KOSA01 See who I nemesize (2328)	2017SASA03	Akifumi Sasaki (佐々木彰史)	View Akifumi Sasaki (佐々木彰史)'s WCA profile	Compare Akifumi Sasaki (佐々木彰史) with Yusuke Kosaka (髙阪優輔)
2021YAMA01: Kai Yamamoto (山本快) View WCA profile Head to head with 2019KOSA01 See who I nemesize (2515)	2021YAMA01	Kai Yamamoto (山本快)	View Kai Yamamoto (山本快)'s WCA profile	Compare Kai Yamamoto (山本快) with Yusuke Kosaka (髙阪優輔)