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    vs.      
Rogier Maaten is tied in the series against Geoffrey Siron, 1-1.

event round table player one result player two
Grand Prix Barcelona 20061521Maaten, Rogier (1848)Lost 0-2Siron, Geoffrey (1903)
Grand Prix Krakow 20071436Maaten, Rogier (1834)Won 2-1Siron, Geoffrey (1876)