![Halle, Germany. 25th June, 2017. Switzerland's Roger Federer (R) and Germany's Alexander Zverev stand with their trophies next to model Eva Herzigova after the ATP tennis tournament men's singles final match in Halle, Germany. 25th June, 2017. Switzerland's Roger Federer (R) and Germany's Alexander Zverev stand with their trophies next to model Eva Herzigova after the ATP tennis tournament men's singles final match in](https://c8.alamy.com/comp/JEGP9J/halle-germany-25th-june-2017-switzerlands-roger-federer-r-and-germanys-JEGP9J.jpg)
Halle, Germany. 25th June, 2017. Switzerland's Roger Federer (R) and Germany's Alexander Zverev stand with their trophies next to model Eva Herzigova after the ATP tennis tournament men's singles final match in
![Germany's Alexander Zverev reacts during the ATP tennis tournament men's singles semi-final match..., Stock Photo, Picture And Rights Managed Image. Pic. PAH-170624-99-981244-DPAI | agefotostock Germany's Alexander Zverev reacts during the ATP tennis tournament men's singles semi-final match..., Stock Photo, Picture And Rights Managed Image. Pic. PAH-170624-99-981244-DPAI | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/fc68cd50f6e6bb90d37180f65102a911/pah-170624-99-981244-dpai.jpg)
Germany's Alexander Zverev reacts during the ATP tennis tournament men's singles semi-final match..., Stock Photo, Picture And Rights Managed Image. Pic. PAH-170624-99-981244-DPAI | agefotostock
![German Open 2018 on Twitter: "Tickets for the German Open Tennis Championships 2018 presented by #Kampmann are now on sale https://t.co/6FdRcjO8i5 #GOTC18 #ATP #Hamburg #Rothenbaum #Tennis https://t.co/OdYGWHYkRa" / Twitter German Open 2018 on Twitter: "Tickets for the German Open Tennis Championships 2018 presented by #Kampmann are now on sale https://t.co/6FdRcjO8i5 #GOTC18 #ATP #Hamburg #Rothenbaum #Tennis https://t.co/OdYGWHYkRa" / Twitter](https://pbs.twimg.com/media/DPk6SONXUAAzdIJ.jpg)
German Open 2018 on Twitter: "Tickets for the German Open Tennis Championships 2018 presented by #Kampmann are now on sale https://t.co/6FdRcjO8i5 #GOTC18 #ATP #Hamburg #Rothenbaum #Tennis https://t.co/OdYGWHYkRa" / Twitter
![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
![ROGER FEDERER (SUI) Tennis - Gerry Weber Open - Halle / Westf. - ATP 500 - Gerry Weber Stadion - Germany - 2017 | Juergen Hasenkopf Photography ROGER FEDERER (SUI) Tennis - Gerry Weber Open - Halle / Westf. - ATP 500 - Gerry Weber Stadion - Germany - 2017 | Juergen Hasenkopf Photography](https://m.psecn.photoshelter.com/img-get2/I0000rtSUV8ybzVU/fit=1000x750/g=G0000al_I9pQQGdg/ROGER-FEDERER-20170625-49539.jpg)
ROGER FEDERER (SUI) Tennis - Gerry Weber Open - Halle / Westf. - ATP 500 - Gerry Weber Stadion - Germany - 2017 | Juergen Hasenkopf Photography
![Norwegian tennis player Caspar Ruud in action against Kohlschreiber from Germany in the men's..., Stock Photo, Picture And Rights Managed Image. Pic. PAH-90333810 | agefotostock Norwegian tennis player Caspar Ruud in action against Kohlschreiber from Germany in the men's..., Stock Photo, Picture And Rights Managed Image. Pic. PAH-90333810 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/78f4e0da5743d56bd633d6b900e5b4f3/pah-90333810.jpg)
Norwegian tennis player Caspar Ruud in action against Kohlschreiber from Germany in the men's..., Stock Photo, Picture And Rights Managed Image. Pic. PAH-90333810 | agefotostock
![Alexander Zverev Germany Poses Besides His Editorial Stock Photo - Stock Image | Shutterstock Editorial Alexander Zverev Germany Poses Besides His Editorial Stock Photo - Stock Image | Shutterstock Editorial](https://editorial01.shutterstock.com/preview-440/8792435h/2bcb59ce/Shutterstock_8792435h.jpg)