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    vs.      
Shou Matsumoto leads the series against Hiroshi Yamaguchi, 2-0.

event round table player one result player two
Grand Prix Okayama 20081140Matsumoto, Shou (1464)Won 0-0Yamaguchi, Hiroshi (1595)
Grand Prix Yokohama 20135946Matsumoto, Shou (1553)Won 2-1Yamaguchi, Hiroshi (1637)