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    vs.      
Philip van Donselaar is tied in the series against David Calf, 1-1.

event round table player one result player two
Grand Prix Barcelona 201610278van Donselaar, Philip (1567)Won 2-1Calf, David (1731)
Grand Prix Copenhagen 2018146van Donselaar, Philip (1769)Lost 1-2Calf, David (1956)