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    vs.      
Hisaya Tanaka is tied in the series against Ryuichi Arita, 1-1.

event round table player one result player two
Grand Prix Kitakyushu 2007103Tanaka, Hisaya (1720)Won 2-0Arita, Ryuichi (1837)
Grand Prix Okayama 20081314Tanaka, Hisaya (1720)Lost 1-2Arita, Ryuichi (1852)