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    vs.      
Rei Hirayama is tied in the series against Yoshihiko Ikawa, 1-1.

event round table player one result player two
Grand Prix Hong Kong 2018666Hirayama, Rei (1525)Lost 1-2Ikawa, Yoshihiko (1833)
Regional Championships Aichi 202216Hirayama, Rei (1840)Won 2-1Ikawa, Yoshihiko (1933)