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    vs.      
Klaas Gruber is tied in the series against Pierre Dagen, 1-1.

event round table player one result player two
Grand Prix Bochum 2012810Gruber, Klaas (1651)Lost 0-2Dagen, Pierre (1948)
Grand Prix London 20189143Gruber, Klaas (1712)Won 2-1Dagen, Pierre (1955)