![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
![David Goffin of Belgium in action during the match against Stan Wawrinka of Switzerland. Roma 14-05-2018 Foro Italico Internazionali BNL D'Italia Italian Open Foto Antonietta Baldassarre / Insidefoto/Sipa USA Stock Photo - David Goffin of Belgium in action during the match against Stan Wawrinka of Switzerland. Roma 14-05-2018 Foro Italico Internazionali BNL D'Italia Italian Open Foto Antonietta Baldassarre / Insidefoto/Sipa USA Stock Photo -](https://c8.alamy.com/comp/2EN0N5B/david-goffin-of-belgium-in-action-during-the-match-against-stan-wawrinka-of-switzerland-roma-14-05-2018-foro-italico-internazionali-bnl-ditalia-italian-open-foto-antonietta-baldassarre-insidefotosipa-usa-2EN0N5B.jpg)
David Goffin of Belgium in action during the match against Stan Wawrinka of Switzerland. Roma 14-05-2018 Foro Italico Internazionali BNL D'Italia Italian Open Foto Antonietta Baldassarre / Insidefoto/Sipa USA Stock Photo -
![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)
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
![Germany's Nicolas Kiefer return a shot to Switzerland Roger Federer during their quarterfinal match at the Swiss Indoors ATP tennis tournament in Basel, October 26, 2007. REUTERS/Vincent Kessler (SWITZERLAND Stock Photo - Alamy Germany's Nicolas Kiefer return a shot to Switzerland Roger Federer during their quarterfinal match at the Swiss Indoors ATP tennis tournament in Basel, October 26, 2007. REUTERS/Vincent Kessler (SWITZERLAND Stock Photo - Alamy](https://c8.alamy.com/comp/2E866F5/germanys-nicolas-kiefer-return-a-shot-to-switzerland-roger-federer-during-their-quarterfinal-match-at-the-swiss-indoors-atp-tennis-tournament-in-basel-october-26-2007-reutersvincent-kessler-switzerland-2E866F5.jpg)