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    vs.      
Yuki Yamanaka leads the series against Hirokazu Iwase, 1-0-1.

event round table player one result player two
Grand Prix Kobe 20155617Yamanaka, Yuki (1469)Won 2-1Iwase, Hirokazu (1506)
Grand Prix Nagoya 20165770Yamanaka, Yuki (1473)Draw 1-1Iwase, Hirokazu (1456)