Varvara Lepchenko Pictures
STANFORD, CA - AUGUST 08: Varvara Lepchenko of the United States wipes her face during her match against Karolina Pliskova of the Czech Republic in the semifinals on Day 6 of the Bank of the West Classic at Stanford University Taube Family Tennis Stadium on August 8, 2015 in Stanford, California. (Photo by Ezra Shaw/Getty Images)