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ROME, ITALY - MAY 12: Serena Williams of the United States reacts during her match against Christina Mchale of the United States on Day Five of The Internazionali BNL d'Italia on May 12, 2016 in Rome, Italy. (Photo by Dennis Grombkowski/Getty Images)

ROME, ITALY - MAY 12: Serena Williams of the United States reacts during her match against Christina Mchale of the United States on Day Five of The Internazionali BNL d'Italia on May 12, 2016 in Rome, Italy. (Photo by Dennis Grombkowski/Getty Images)
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