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    vs.      
Koutarou Ootsuka leads the series against Jin Okamoto, 2-1.

event round table player one result player two
Grand Prix Nagoya 2004421Ootsuka, Koutarou (1597)Won 2-0Okamoto, Jin (2026)
Grand Prix Matsuyama 2005524Ootsuka, Koutarou (1751)Won 2-0Okamoto, Jin (1830)
Grand Prix Kobe 2009935Ootsuka, Koutarou (2097)Lost 1-2Okamoto, Jin (1903)