![Elise Mertens, of Belgium, returns to Eugenie Bouchard, of Canada, during the first round of the Rogers Cup tennis tournament in Montreal, Tuesday, Aug. 7, 2018. (Paul Chiasson/The Canadian Press via AP Elise Mertens, of Belgium, returns to Eugenie Bouchard, of Canada, during the first round of the Rogers Cup tennis tournament in Montreal, Tuesday, Aug. 7, 2018. (Paul Chiasson/The Canadian Press via AP](https://c8.alamy.com/comp/2NWWC47/elise-mertens-of-belgium-returns-to-eugenie-bouchard-of-canada-during-the-first-round-of-the-rogers-cup-tennis-tournament-in-montreal-tuesday-aug-7-2018-paul-chiassonthe-canadian-press-via-ap-2NWWC47.jpg)
Elise Mertens, of Belgium, returns to Eugenie Bouchard, of Canada, during the first round of the Rogers Cup tennis tournament in Montreal, Tuesday, Aug. 7, 2018. (Paul Chiasson/The Canadian Press via AP
![Xavier Malisse from Belgium returns the ball to Jesse Levine from Canada during their match at the Rogers Cup tennis tournament in Montreal, Monday, Aug. 5, 2013. (AP Photo/The Canadian Press, Graham Xavier Malisse from Belgium returns the ball to Jesse Levine from Canada during their match at the Rogers Cup tennis tournament in Montreal, Monday, Aug. 5, 2013. (AP Photo/The Canadian Press, Graham](https://c8.alamy.com/comp/2P57C8J/xavier-malisse-from-belgium-returns-the-ball-to-jesse-levine-from-canada-during-their-match-at-the-rogers-cup-tennis-tournament-in-montreal-monday-aug-5-2013-ap-photothe-canadian-press-graham-hughes-2P57C8J.jpg)
Xavier Malisse from Belgium returns the ball to Jesse Levine from Canada during their match at the Rogers Cup tennis tournament in Montreal, Monday, Aug. 5, 2013. (AP Photo/The Canadian Press, Graham
![Xavier Malisse from Belgium returns the ball to Jesse Levine from Canada during their match at the Rogers Cup tennis tournament in Montreal, Monday, Aug. 5, 2013. (AP Photo/The Canadian Press, Graham Xavier Malisse from Belgium returns the ball to Jesse Levine from Canada during their match at the Rogers Cup tennis tournament in Montreal, Monday, Aug. 5, 2013. (AP Photo/The Canadian Press, Graham](https://l450v.alamy.com/450v/2n9ctcp/sam-querrey-of-the-united-states-returns-the-ball-during-a-match-against-xavier-malisse-of-belgium-at-the-farmers-classic-tennis-tournament-friday-july-27-2012-in-los-angeles-malisse-withdrew-from-the-match-due-to-injury-ap-photogrant-hindsley-2n9ctcp.jpg)