Wawrinka fights off del Potro, advances to semis
Sep 08, 2016, 11:30 AM
Stan Wawrinka defeated Juan Martin del Potro in four sets, 7-6, 4-6, 6-3, 6-2 and advances to the semifinals.
Stan Wawrinka defeated Juan Martin del Potro in four sets, 7-6, 4-6, 6-3, 6-2 and advances to the semifinals.
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