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Rintaro Oishi (大石倫太朗) (2023OISH02) has 14 nemeses in the country (Japan):

	WCA ID	Name
2007NAKA03: Yu Nakajima (中島悠) View WCA profile Head to head with 2023OISH02 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 Rintaro Oishi (大石倫太朗)
2008HASH02: Wataru Hashimura (端村航) View WCA profile Head to head with 2023OISH02 See who I nemesize (2523)	2008HASH02	Wataru Hashimura (端村航)	View Wataru Hashimura (端村航)'s WCA profile	Compare Wataru Hashimura (端村航) with Rintaro Oishi (大石倫太朗)
2008UENO01: Shuto Ueno (上野柊斗) View WCA profile Head to head with 2023OISH02 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 Rintaro Oishi (大石倫太朗)
2010SUGA01: Sei Sugama (洲鎌星) View WCA profile Head to head with 2023OISH02 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 Rintaro Oishi (大石倫太朗)
2011IRIF01: Asato Irifune (入船朝斗) View WCA profile Head to head with 2023OISH02 See who I nemesize (2435)	2011IRIF01	Asato Irifune (入船朝斗)	View Asato Irifune (入船朝斗)'s WCA profile	Compare Asato Irifune (入船朝斗) with Rintaro Oishi (大石倫太朗)
2013KATO01: Eva Kato (加藤映葉) View WCA profile Head to head with 2023OISH02 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 Rintaro Oishi (大石倫太朗)
2013KOBA01: Tomohiro Kobayashi (小林知広) View WCA profile Head to head with 2023OISH02 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 Rintaro Oishi (大石倫太朗)
2014HIRA05: Masayuki Hirai (平井雅之) View WCA profile Head to head with 2023OISH02 See who I nemesize (2371)	2014HIRA05	Masayuki Hirai (平井雅之)	View Masayuki Hirai (平井雅之)'s WCA profile	Compare Masayuki Hirai (平井雅之) with Rintaro Oishi (大石倫太朗)
2014OKAD01: Noriyuki Okada (岡田典之) View WCA profile Head to head with 2023OISH02 See who I nemesize (2179)	2014OKAD01	Noriyuki Okada (岡田典之)	View Noriyuki Okada (岡田典之)'s WCA profile	Compare Noriyuki Okada (岡田典之) with Rintaro Oishi (大石倫太朗)
2015TAKA06: Taiga Takaoka (高岡汰虎) View WCA profile Head to head with 2023OISH02 See who I nemesize (2584)	2015TAKA06	Taiga Takaoka (高岡汰虎)	View Taiga Takaoka (高岡汰虎)'s WCA profile	Compare Taiga Takaoka (高岡汰虎) with Rintaro Oishi (大石倫太朗)
2017KIRA03: Takuya Kira (吉良拓也) View WCA profile Head to head with 2023OISH02 See who I nemesize (1885)	2017KIRA03	Takuya Kira (吉良拓也)	View Takuya Kira (吉良拓也)'s WCA profile	Compare Takuya Kira (吉良拓也) with Rintaro Oishi (大石倫太朗)
2019NOGA01: Ao Nogami (野上碧) View WCA profile Head to head with 2023OISH02 See who I nemesize (2652)	2019NOGA01	Ao Nogami (野上碧)	View Ao Nogami (野上碧)'s WCA profile	Compare Ao Nogami (野上碧) with Rintaro Oishi (大石倫太朗)
2019NOMU01: Yuki Nomura (野村優希) View WCA profile Head to head with 2023OISH02 See who I nemesize (2442)	2019NOMU01	Yuki Nomura (野村優希)	View Yuki Nomura (野村優希)'s WCA profile	Compare Yuki Nomura (野村優希) with Rintaro Oishi (大石倫太朗)
2022MIYA01: Hajime Miyazaki (宮崎朔) View WCA profile Head to head with 2023OISH02 See who I nemesize (2304)	2022MIYA01	Hajime Miyazaki (宮崎朔)	View Hajime Miyazaki (宮崎朔)'s WCA profile	Compare Hajime Miyazaki (宮崎朔) with Rintaro Oishi (大石倫太朗)