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    vs.      
Jun Ishihara leads the series against Kou Okada, 1-0-1.

event round table player one result player two
Grand Prix Yokohama 20031363Ishihara, Jun (1727)Won 2-0Okada, Kou (1642)
Grand Prix Kyoto 20071525Ishihara, Jun (1752)IDOkada, Kou (1679)