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    vs.      
Takahiro Katayama trails the series against Ryuichi Arita, 0-1-1.

event round table player one result player two
Grand Prix Nagoya 20041239Katayama, Takahiro (1659)Draw 1-1Arita, Ryuichi (1709)
Grand Prix Kitakyushu 2005136Katayama, Takahiro (1879)Lost 1-2Arita, Ryuichi (1836)