We have a Patreon! Click here to become a patron, or read the blog to learn more!
    vs.      
Masashi Koyama leads the series against Keiji Mantani, 1-0.

event round table player one result player two
Grand Prix Nagoya 2014661Koyama, Masashi (1593)Won 2-1Mantani, Keiji (1715)