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    vs.      
Hazime Ishiduka leads the series against Satoshi Matsuyama, 1-0-1.

event round table player one result player two
Grand Prix Sendai 20045132Ishiduka, Hazime (1468)Draw 1-1Matsuyama, Satoshi (1465)
Grand Prix Yokohama 2004276Ishiduka, Hazime (1505)Won 2-0Matsuyama, Satoshi (1504)