We have a Patreon! Click here to become a patron, or read the blog to learn more!
    vs.      
Koichi Kase leads the series against Toshihiro Yamada, 1-0.

event round table player one result player two
Grand Prix Shizuoka 201710203Kase, Koichi (1509)Won 2-0Yamada, Toshihiro (1708)