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    vs.      
Arjan van Leeuwen is tied in the series against Klaas Gruber, 1-1.

event round table player one result player two
Grand Prix Antwerp 20131518van Leeuwen, Arjan (1834)Won 2-1Gruber, Klaas (1741)
Grand Prix Amsterdam 2017524van Leeuwen, Arjan (1646)Lost 0-2Gruber, Klaas (1782)