TennisExplorer - Karen Khachanov upsets Stan Wawrinka in Rotterdam he is through to the second round of the ABN AMRO after beating Wawrinka in straight sets 6-4, 7-5. | Facebook
![Martina Hingis waits on Roger Federer, Stan Wawrinka to decide on Olympic mixed doubles - OlympicTalk | NBC Sports Martina Hingis waits on Roger Federer, Stan Wawrinka to decide on Olympic mixed doubles - OlympicTalk | NBC Sports](https://olympics.nbcsports.com/wp-content/uploads/sites/10/2015/09/cd0ymzcznguwzdbhnduynddiytjhm2yyzthlmtjjotqwyyznptq0ymq3mmy0zmq2zjqymdfhzju4yzaymdgwytqyyte1-e1442005859803.jpeg)
Martina Hingis waits on Roger Federer, Stan Wawrinka to decide on Olympic mixed doubles - OlympicTalk | NBC Sports
![Spain's Fernando Verdasco celebrates winning his match against Argentina's David Nalbandian at the Wimbledon tennis championships in London June 30, 2006. REUTERS/Alessia Pierdomenico (BRITAIN Stock Photo - Alamy Spain's Fernando Verdasco celebrates winning his match against Argentina's David Nalbandian at the Wimbledon tennis championships in London June 30, 2006. REUTERS/Alessia Pierdomenico (BRITAIN Stock Photo - Alamy](https://l450v.alamy.com/450v/2e2x4fd/spains-fernando-verdasco-celebrates-after-winning-he-defeats-serbias-novak-djokovic-6-2-6-2-in-their-semi-final-match-during-the-atp-masters-series-tennis-tournament-at-the-monte-carlo-country-club-in-monte-carlo-principality-of-monaco-on-april-17-2010-photo-by-corinne-dubreuilcameleonabacapresscom-2e2x4fd.jpg)