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Kazumasa Tsutsui (筒井一雅) (2025TSUT01) has 14 nemeses in the country (Japan):

	WCA ID	Name
2010YAMA04: Yuki Yamamoto (山本祐輝) View WCA profile Head to head with 2025TSUT01 See who I nemesize (2775)	2010YAMA04	Yuki Yamamoto (山本祐輝)	View Yuki Yamamoto (山本祐輝)'s WCA profile	Compare Yuki Yamamoto (山本祐輝) with Kazumasa Tsutsui (筒井一雅)
2012YANA01: Taku Yanai (矢内拓) View WCA profile Head to head with 2025TSUT01 See who I nemesize (2931)	2012YANA01	Taku Yanai (矢内拓)	View Taku Yanai (矢内拓)'s WCA profile	Compare Taku Yanai (矢内拓) with Kazumasa Tsutsui (筒井一雅)
2013KOBA01: Tomohiro Kobayashi (小林知広) View WCA profile Head to head with 2025TSUT01 See who I nemesize (3012)	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 Kazumasa Tsutsui (筒井一雅)
2014OKAD01: Noriyuki Okada (岡田典之) View WCA profile Head to head with 2025TSUT01 See my nemeses (1) See who I nemesize (2802)	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 Kazumasa Tsutsui (筒井一雅)
2016MANN01: Evan Akira Mann (マンエヴァン朗) View WCA profile Head to head with 2025TSUT01 See who I nemesize (3057)	2016MANN01	Evan Akira Mann (マンエヴァン朗)	View Evan Akira Mann (マンエヴァン朗)'s WCA profile	Compare Evan Akira Mann (マンエヴァン朗) with Kazumasa Tsutsui (筒井一雅)
2018NISH03: Shoji Nishimura (西村晶司) View WCA profile Head to head with 2025TSUT01 See who I nemesize (2887)	2018NISH03	Shoji Nishimura (西村晶司)	View Shoji Nishimura (西村晶司)'s WCA profile	Compare Shoji Nishimura (西村晶司) with Kazumasa Tsutsui (筒井一雅)
2019NOGA01: Ao Nogami (野上碧) View WCA profile Head to head with 2025TSUT01 See who I nemesize (3042)	2019NOGA01	Ao Nogami (野上碧)	View Ao Nogami (野上碧)'s WCA profile	Compare Ao Nogami (野上碧) with Kazumasa Tsutsui (筒井一雅)
2021YAMA01: Kai Yamamoto (山本快) View WCA profile Head to head with 2025TSUT01 See who I nemesize (2928)	2021YAMA01	Kai Yamamoto (山本快)	View Kai Yamamoto (山本快)'s WCA profile	Compare Kai Yamamoto (山本快) with Kazumasa Tsutsui (筒井一雅)
2022REYN10: Raiden Reynolds (レイノルズ頼傳) View WCA profile Head to head with 2025TSUT01 See my nemeses (1) See who I nemesize (2800)	2022REYN10	Raiden Reynolds (レイノルズ頼傳)	View Raiden Reynolds (レイノルズ頼傳)'s WCA profile	Compare Raiden Reynolds (レイノルズ頼傳) with Kazumasa Tsutsui (筒井一雅)
2023SAKA04: Kantaro Sakamoto (坂本貫太郎) View WCA profile Head to head with 2025TSUT01 See my nemeses (2) See who I nemesize (2844)	2023SAKA04	Kantaro Sakamoto (坂本貫太郎)	View Kantaro Sakamoto (坂本貫太郎)'s WCA profile	Compare Kantaro Sakamoto (坂本貫太郎) with Kazumasa Tsutsui (筒井一雅)
2023SHIK03: Yuto Morishita (森下優斗) View WCA profile Head to head with 2025TSUT01 See who I nemesize (2726)	2023SHIK03	Yuto Morishita (森下優斗)	View Yuto Morishita (森下優斗)'s WCA profile	Compare Yuto Morishita (森下優斗) with Kazumasa Tsutsui (筒井一雅)
2023SUZU05: Yusuke Suzuki (鈴木裕介) View WCA profile Head to head with 2025TSUT01 See my nemeses (4) See who I nemesize (2514)	2023SUZU05	Yusuke Suzuki (鈴木裕介)	View Yusuke Suzuki (鈴木裕介)'s WCA profile	Compare Yusuke Suzuki (鈴木裕介) with Kazumasa Tsutsui (筒井一雅)
2023TAKA02: Wataru Takamiya (髙宮径) View WCA profile Head to head with 2025TSUT01 See my nemeses (1) See who I nemesize (2765)	2023TAKA02	Wataru Takamiya (髙宮径)	View Wataru Takamiya (髙宮径)'s WCA profile	Compare Wataru Takamiya (髙宮径) with Kazumasa Tsutsui (筒井一雅)
2024TSUT01: Haruki Tsutsui (筒井遥規) View WCA profile Head to head with 2025TSUT01 See my nemeses (1) See who I nemesize (2831)	2024TSUT01	Haruki Tsutsui (筒井遥規)	View Haruki Tsutsui (筒井遥規)'s WCA profile	Compare Haruki Tsutsui (筒井遥規) with Kazumasa Tsutsui (筒井一雅)