We have a Patreon! Click here to become a patron, or read the blog to learn more!
    vs.      
Yasuhisa Sakajo is tied in the series against Naoki Kubouchi, 1-1.

event round table player one result player two
Grand Prix Yokohama 2003640Sakajo, Yasuhisa (1537)Won 2-0Kubouchi, Naoki (1625)
Grand Prix Shanghai 2011741Sakajo, Yasuhisa (1747)Lost 1-2Kubouchi, Naoki (1909)