
Stan Wawrinka of Switzerland serves during the second round match of men's singles against Benoit Paire of France at the Italian Open tennis tournament in Rome, Italy, May 17, 2017. Stan Wawrinka won 2-1. (Xinhua/Jin Yu)
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Stan Wawrinka of Switzerland serves during the second round match of men's singles against Benoit Paire of France at the Italian Open tennis tournament in Rome, Italy, May 17, 2017. Stan Wawrinka won 2-1. (Xinhua/Jin Yu)