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    vs.      
Kengo Umeno is tied in the series against Kazuya Hirabayashi, 1-1.

event round table player one result player two
Grand Prix Kitakyushu 2007519Umeno, Kengo (1714)Won 2-0Hirabayashi, Kazuya (1777)
Grand Prix Kitakyushu 2009839Umeno, Kengo (1776)Lost 0-2Hirabayashi, Kazuya (1770)