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    vs.      
Geoffrey Siron leads the series against Mark Herberholz, 1-0-1.

event round table player one result player two
Grand Prix Phoenix 2006729Siron, Geoffrey (1910)Won 2-1Herberholz, Mark (2006)
Pro Tour Kobe 20061528Siron, Geoffrey (1935)IDHerberholz, Mark (1928)