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    vs.      
Yuusuke Iwasaki is tied in the series against Kentarou Maruyama, 1-1.

event round table player one result player two
Grand Prix Yokohama 20101046Iwasaki, Yuusuke (1858)Won 2-0Maruyama, Kentarou (1511)
Grand Prix Kitakyushu 20131125Iwasaki, Yuusuke (1798)Lost 0-2Maruyama, Kentarou (1683)