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    vs.      
Haruki Usui leads the series against Shinichi Tanaka, 2-0.

event round table player one result player two
Grand Prix Nagoya 201613211Usui, Haruki (1796)Won 2-1Tanaka, Shinichi (1801)
Grand Prix Shizuoka 2018 (standard)7650Usui, Haruki (1758)Won 2-0Tanaka, Shinichi (1791)