Roger Federer of Switzerland in action against Alexander Zverev of... Nachrichtenfoto - Getty Images
![Roger Federer of Switzerland practices during a tennis training session on Day Two of The Internazionali BNL d'Italia 2016, racquet, RF97 | Tenis Roger Federer of Switzerland practices during a tennis training session on Day Two of The Internazionali BNL d'Italia 2016, racquet, RF97 | Tenis](https://i.pinimg.com/736x/10/c8/17/10c8177704b7238a87e5f63630c95684.jpg)
Roger Federer of Switzerland practices during a tennis training session on Day Two of The Internazionali BNL d'Italia 2016, racquet, RF97 | Tenis
![AS Roma soccer star Francesco Totti (top R) watches the Rome Masters tennis match between Filippo Volandri of Italy and Roger Federer of Switzerland in Rome May 10, 2007. REUTERS/Giampiero Sposito (ITALY AS Roma soccer star Francesco Totti (top R) watches the Rome Masters tennis match between Filippo Volandri of Italy and Roger Federer of Switzerland in Rome May 10, 2007. REUTERS/Giampiero Sposito (ITALY](https://c8.alamy.com/comp/2E85807/as-roma-soccer-star-francesco-totti-top-r-watches-the-rome-masters-tennis-match-between-filippo-volandri-of-italy-and-roger-federer-of-switzerland-in-rome-may-10-2007-reutersgiampiero-sposito-italy-2E85807.jpg)
AS Roma soccer star Francesco Totti (top R) watches the Rome Masters tennis match between Filippo Volandri of Italy and Roger Federer of Switzerland in Rome May 10, 2007. REUTERS/Giampiero Sposito (ITALY
![Roger Federer of Switzerland reacts during his men's singles match against Gilles Simon of France at the French Open tennis tournament at the Roland Garros stadium in Paris June 2, 2013. Second Roger Federer of Switzerland reacts during his men's singles match against Gilles Simon of France at the French Open tennis tournament at the Roland Garros stadium in Paris June 2, 2013. Second](https://c8.alamy.com/comp/2D01RY7/roger-federer-of-switzerland-reacts-during-his-mens-singles-match-against-gilles-simon-of-france-at-the-french-open-tennis-tournament-at-the-roland-garros-stadium-in-paris-june-2-2013-second-seed-federer-produced-a-thrilling-riposte-to-simons-gallant-attempt-to-knock-him-out-of-the-french-open-on-sunday-coming-from-behind-to-beat-the-frenchman-6-1-4-6-2-6-6-2-6-3-to-reach-the-quarter-finals-reutersvincent-kessler-france-tags-sport-tennis-2D01RY7.jpg)
Roger Federer of Switzerland reacts during his men's singles match against Gilles Simon of France at the French Open tennis tournament at the Roland Garros stadium in Paris June 2, 2013. Second
![Roger Federer of Switzerland plays against Oscar Otte of Germany during men's singles second round match on day four of The Roland Garros 2019 French Open tennis tournament in Paris on May Roger Federer of Switzerland plays against Oscar Otte of Germany during men's singles second round match on day four of The Roland Garros 2019 French Open tennis tournament in Paris on May](https://c8.alamy.com/comp/2DEJ0P9/roger-federer-of-switzerland-plays-against-oscar-otte-of-germany-during-mens-singles-second-round-match-on-day-four-of-the-roland-garros-2019-french-open-tennis-tournament-in-paris-on-may-29-2019-photo-by-abacapresscom-2DEJ0P9.jpg)