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    vs.      
Jonas Koestler is tied in the series against Matthias Kunzler, 1-1.

event round table player one result player two
Grand Prix Bochum 20107501Koestler, Jonas (1716)Won 2-0Kunzler, Matthias (1854)
Grand Prix Bochum 20101457Koestler, Jonas (1834)Lost 0-2Kunzler, Matthias (1933)