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    vs.      
Ren Ishikawa leads the series against Takaya Saito, 1-0-1.

event round table player one result player two
Grand Prix Niigata 20091030Ishikawa, Ren (1961)Won 2-0Saito, Takaya (1771)
Grand Prix Niigata 20091435Ishikawa, Ren (1992)IDSaito, Takaya (1813)