HALLE, Germany, June 12 (UPI) -- Philipp Kohlschreiber emerged with a victory at the Gerry Weber Open Sunday after Philipp Petzschner retired in the second set.
Kohlschreiber was ahead after winning the first set 7-6 (7-5) in what promised to be an exciting, all-German final in Halle. But Petzschner pulled out after Kohlschreiber went up 2-0 in the second set.
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