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

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