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    vs.      
Ryuichi Arita leads the series against Taisuke Ishii, 3-0.

event round table player one result player two
Grand Prix Nagoya 2004699Arita, Ryuichi (1684)Won 2-0Ishii, Taisuke (1632)
Grand Prix Kitakyushu 20051221Arita, Ryuichi (1818)Won 2-1Ishii, Taisuke (1801)
Grand Prix Shizuoka 2008744Arita, Ryuichi (1824)Won 2-1Ishii, Taisuke (1668)