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    vs.      
Koutarou Ootsuka leads the series against Yong Han Choo, 2-1.

event round table player one result player two
Pro Tour Geneva 2007343Ootsuka, Koutarou (1767)Won 2-0Choo, Yong Han (1514)
Grand Prix Bangkok 2007QOotsuka, Koutarou (2057)Lost 0-2Choo, Yong Han (1727)
Grand Prix Kobe 20091110Ootsuka, Koutarou (2085)Won 2-0Choo, Yong Han (1945)