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    vs.      
Naoto Yamane is tied in the series against Kazune Kosaka, 1-1.

event round table player one result player two
Grand Prix Shizuoka 2018 (standard)6371Yamane, Naoto (1565)Won 2-1Kosaka, Kazune (1707)
Grand Prix Nagoya 20191018Yamane, Naoto (1792)Lost 1-2Kosaka, Kazune (1836)