vs.      
Paul Rietzl leads the series against Matthew [USA] Duggan, 2-0.

event round table player one result player two
Grand Prix Austin 2012567Rietzl, Paul (1939)Won 1-0Duggan, Matthew [USA] (1574)
Grand Prix Oklahoma City 2015131Rietzl, Paul (2274)Won 2-0Duggan, Matthew [USA] (1831)