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    vs.      
Norihiko Koshiba trails the series against Jun ya Takahashi, 0-2.

event round table player one result player two
Grand Prix Hiroshima 2006686Koshiba, Norihiko (1547)Lost 1-2Takahashi, Jun ya (1504)
Grand Prix Okayama 2008364Koshiba, Norihiko (1535)Lost 0-2Takahashi, Jun ya (1603)