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    vs.      
Michael Jacob is tied in the series against William Postlethwait, 1-1.

event round table player one result player two
Grand Prix Charlotte 2005530Jacob, Michael (1747)Lost 0-2Postlethwait, William (1811)
Grand Prix Dallas-Fort Worth 201184Jacob, Michael (1859)Won 2-1Postlethwait, William (1994)