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    vs.      
Ryousuke Ishigaki leads the series against Masayuki Yasuda, 2-0.

event round table player one result player two
Grand Prix Kobe 2008848Ishigaki, Ryousuke (1566)Won 2-1Yasuda, Masayuki (1585)
Grand Prix Kobe 2012939Ishigaki, Ryousuke (1602)Won 2-0Yasuda, Masayuki (1703)