![Winner Alexander Zverev, of Germany, poses for a photo with his opponent Roger Federer, of Switzerland, during victory ceremonies at the Rogers Cup tennis tournament, in Montreal on Sunday, August 13, 2017. Winner Alexander Zverev, of Germany, poses for a photo with his opponent Roger Federer, of Switzerland, during victory ceremonies at the Rogers Cup tennis tournament, in Montreal on Sunday, August 13, 2017.](https://c8.alamy.com/comp/2HRCNKR/winner-alexander-zverev-of-germany-poses-for-a-photo-with-his-opponent-roger-federer-of-switzerland-during-victory-ceremonies-at-the-rogers-cup-tennis-tournament-in-montreal-on-sunday-august-13-2017-the-canadian-presspaul-chiasson-2HRCNKR.jpg)
Winner Alexander Zverev, of Germany, poses for a photo with his opponent Roger Federer, of Switzerland, during victory ceremonies at the Rogers Cup tennis tournament, in Montreal on Sunday, August 13, 2017.
![ATP Tour Finals: Alexander Zverev grouped with Roger Federer | Sports | German football and major international sports news | DW | 08.11.2017 ATP Tour Finals: Alexander Zverev grouped with Roger Federer | Sports | German football and major international sports news | DW | 08.11.2017](https://static.dw.com/image/39987901_303.jpg)
ATP Tour Finals: Alexander Zverev grouped with Roger Federer | Sports | German football and major international sports news | DW | 08.11.2017
![Alexander Zverev takes Citi Open for fourth ATP Tour title of 2017 | Sports | German football and major international sports news | DW | 06.08.2017 Alexander Zverev takes Citi Open for fourth ATP Tour title of 2017 | Sports | German football and major international sports news | DW | 06.08.2017](https://static.dw.com/image/39987843_101.jpg)
Alexander Zverev takes Citi Open for fourth ATP Tour title of 2017 | Sports | German football and major international sports news | DW | 06.08.2017
![Rogers Cup 2017 - Mens Singles Final - Roger Federer vs. Alexander Zverev Jr. Featuring: Alexander Zverev Jr. Where: Montreal, Quebec, Canada When: 13 Aug 2017 Credit: ATP/WENN.com Stock Photo - Alamy Rogers Cup 2017 - Mens Singles Final - Roger Federer vs. Alexander Zverev Jr. Featuring: Alexander Zverev Jr. Where: Montreal, Quebec, Canada When: 13 Aug 2017 Credit: ATP/WENN.com Stock Photo - Alamy](https://c8.alamy.com/comp/K72TX4/rogers-cup-2017-mens-singles-final-roger-federer-vs-alexander-zverev-K72TX4.jpg)
Rogers Cup 2017 - Mens Singles Final - Roger Federer vs. Alexander Zverev Jr. Featuring: Alexander Zverev Jr. Where: Montreal, Quebec, Canada When: 13 Aug 2017 Credit: ATP/WENN.com Stock Photo - Alamy
![Rogers Cup 2017 - Mens Singles Final - Roger Federer vs. Alexander Zverev Jr. Featuring: Alexander Zverev Jr. Where: Montreal, Quebec, Canada When: 13 Aug 2017 Credit: ATP/WENN.com Stock Photo - Alamy Rogers Cup 2017 - Mens Singles Final - Roger Federer vs. Alexander Zverev Jr. Featuring: Alexander Zverev Jr. Where: Montreal, Quebec, Canada When: 13 Aug 2017 Credit: ATP/WENN.com Stock Photo - Alamy](https://c8.alamy.com/comp/K72TY7/rogers-cup-2017-mens-singles-final-roger-federer-vs-alexander-zverev-K72TY7.jpg)