![Tennis - ATP 1000 - Madrid Open - Madrid, Spain - May 10, 2018 Germany's Alexander Zverev celebrates during his third round match against Argentina's Leonardo Mayer REUTERS/Susana Vera Stock Photo - Alamy Tennis - ATP 1000 - Madrid Open - Madrid, Spain - May 10, 2018 Germany's Alexander Zverev celebrates during his third round match against Argentina's Leonardo Mayer REUTERS/Susana Vera Stock Photo - Alamy](https://c8.alamy.com/comp/2EDJ21B/tennis-atp-1000-madrid-open-madrid-spain-may-10-2018-germanys-alexander-zverev-celebrates-during-his-third-round-match-against-argentinas-leonardo-mayer-reuterssusana-vera-2EDJ21B.jpg)
Tennis - ATP 1000 - Madrid Open - Madrid, Spain - May 10, 2018 Germany's Alexander Zverev celebrates during his third round match against Argentina's Leonardo Mayer REUTERS/Susana Vera Stock Photo - Alamy
![ATP Hamburg Open: Leandro Mayer shocks top seed David Ferrer to win Hamburg final | Tennis News | Sky Sports ATP Hamburg Open: Leandro Mayer shocks top seed David Ferrer to win Hamburg final | Tennis News | Sky Sports](https://e0.365dm.com/14/07/768x432/mayer-leandro_3175953.jpg?20140720191438)
ATP Hamburg Open: Leandro Mayer shocks top seed David Ferrer to win Hamburg final | Tennis News | Sky Sports
![Florian Mayer of Germany returns the ball to Jose Acasuso of Argentina during their quarterfinal match at the Orange Prokom Open ATP tennis tournament in Sopot August 3, 2007. REUTERS/Peter Andrews (POLAND Florian Mayer of Germany returns the ball to Jose Acasuso of Argentina during their quarterfinal match at the Orange Prokom Open ATP tennis tournament in Sopot August 3, 2007. REUTERS/Peter Andrews (POLAND](https://c8.alamy.com/comp/2E87MC4/florian-mayer-of-germany-returns-the-ball-to-jose-acasuso-of-argentina-during-their-quarterfinal-match-at-the-orange-prokom-open-atp-tennis-tournament-in-sopot-august-3-2007-reuterspeter-andrews-poland-2E87MC4.jpg)
Florian Mayer of Germany returns the ball to Jose Acasuso of Argentina during their quarterfinal match at the Orange Prokom Open ATP tennis tournament in Sopot August 3, 2007. REUTERS/Peter Andrews (POLAND
![Gene Mayer - U.S.A. - Wimbledon 1980 (Quarter-Finalist) | Tennis photos, Tennis stars, Vintage tennis Gene Mayer - U.S.A. - Wimbledon 1980 (Quarter-Finalist) | Tennis photos, Tennis stars, Vintage tennis](https://i.pinimg.com/originals/13/d1/85/13d1855d3cdd82048fe4bfe39a7fb479.jpg)