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    vs.      
Kei Umehara is tied in the series against Dan Sekiguchi, 1-1.

event round table player one result player two
Grand Prix Sendai 20107272Umehara, Kei (1454)Won 2-1Sekiguchi, Dan (1461)
Grand Prix Kitakyushu 20133360Umehara, Kei (1628)Lost 1-2Sekiguchi, Dan (1417)