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    vs.      
Kei Umehara is tied in the series against Shogaku Aihara, 1-1.

event round table player one result player two
Grand Prix Yokohama 20121011Umehara, Kei (1538)Won 2-0Aihara, Shogaku (1635)
Grand Prix Chiba 20169338Umehara, Kei (1760)Lost 0-2Aihara, Shogaku (1523)