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    vs.      
Tsuyoshi Douyama leads the series against Kazuya Hirabayashi, 1-0-1.

event round table player one result player two
Grand Prix Sapporo 2000411Douyama, Tsuyoshi (1485)Won 2-0Hirabayashi, Kazuya (1586)
Grand Prix Kyoto 2000112Douyama, Tsuyoshi (1629)Draw 1-1Hirabayashi, Kazuya (1666)