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

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