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    vs.      
Helmut Summersberger trails the series against Jonas Koestler, 0-1-1.

event round table player one result player two
Grand Prix Bochum 20101177Summersberger, Helmut (1997)Lost 1-2Koestler, Jonas (1793)
Grand Prix Pittsburgh 2011165Summersberger, Helmut (1987)IDKoestler, Jonas (1997)