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    vs.      
Kazumasa Koji is tied in the series against Hiroki Sasage, 1-1.

event round table player one result player two
Grand Prix Sapporo 2000231Koji, Kazumasa (1518)Lost 1-2Sasage, Hiroki (1500)
Grand Prix Sapporo 200095Koji, Kazumasa (1588)Won 2-1Sasage, Hiroki (1589)