![Roger Federer of Switzerland serves in his first round match to Leonardo Mayer of Argentina in Arthur Ashe Stadium on day two at the US Open Tennis Championships at the USTA Billie Roger Federer of Switzerland serves in his first round match to Leonardo Mayer of Argentina in Arthur Ashe Stadium on day two at the US Open Tennis Championships at the USTA Billie](https://c8.alamy.com/comp/TYPYJ0/roger-federer-of-switzerland-serves-in-his-first-round-match-to-leonardo-mayer-of-argentina-in-arthur-ashe-stadium-on-day-two-at-the-us-open-tennis-championships-at-the-usta-billie-jean-king-national-tennis-center-in-new-york-city-on-september-1-2015-photo-by-john-angelilloupi-TYPYJ0.jpg)
Roger Federer of Switzerland serves in his first round match to Leonardo Mayer of Argentina in Arthur Ashe Stadium on day two at the US Open Tennis Championships at the USTA Billie
![Juan Martin Del Potro and Tennis Twitter Pay Homage to Leonardo Mayer Following His Retirement - EssentiallySports Juan Martin Del Potro and Tennis Twitter Pay Homage to Leonardo Mayer Following His Retirement - EssentiallySports](https://image-cdn.essentiallysports.com/wp-content/uploads/1-275-6.jpg)
Juan Martin Del Potro and Tennis Twitter Pay Homage to Leonardo Mayer Following His Retirement - EssentiallySports
![File:2017 US Open Tennis - Qualifying Rounds - Maximilian Marterer (GER) def. Leonardo Mayer (ARG) (36724445722).jpg - Wikimedia Commons File:2017 US Open Tennis - Qualifying Rounds - Maximilian Marterer (GER) def. Leonardo Mayer (ARG) (36724445722).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/5/58/2017_US_Open_Tennis_-_Qualifying_Rounds_-_Maximilian_Marterer_%28GER%29_def._Leonardo_Mayer_%28ARG%29_%2836724445722%29.jpg)
File:2017 US Open Tennis - Qualifying Rounds - Maximilian Marterer (GER) def. Leonardo Mayer (ARG) (36724445722).jpg - Wikimedia Commons
![Argentinian Tennis Player Leonardo Mayer Editorial Photography - Image of outdoors, handed: 55870187 Argentinian Tennis Player Leonardo Mayer Editorial Photography - Image of outdoors, handed: 55870187](https://thumbs.dreamstime.com/z/argentinian-tennis-player-leonardo-mayer-action-match-barcelona-tournament-conde-de-godo-april-55870187.jpg)