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    vs.      
Kouichi Ishiwata leads the series against Sangjoon Kong, 2-0.

event round table player one result player two
Regional Championships Aichi 2022435Ishiwata, Kouichi (1602)Won 2-0Kong, Sangjoon (1544)
Regional Championships Yokohama 20231015Ishiwata, Kouichi (1680)Won 2-1Kong, Sangjoon (1624)