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    vs.      
Yuya Hosokawa is tied in the series against Haruki Usui, 1-1.

event round table player one result player two
Regional Championships Yokohama 202393Hosokawa, Yuya (1960)Lost 0-2Usui, Haruki (1977)
Regional Championships Aichi 202363Hosokawa, Yuya (1981)Won 2-0Usui, Haruki (1890)