![Roger Federer, of Switzerland, serves to Leonardo Mayer, of Argentina, at the Western & Southern Open tennis tournament, Friday, Aug. 17, 2018, in Mason, Ohio. (AP Photo/John Minchillo Foto stock - Alamy Roger Federer, of Switzerland, serves to Leonardo Mayer, of Argentina, at the Western & Southern Open tennis tournament, Friday, Aug. 17, 2018, in Mason, Ohio. (AP Photo/John Minchillo Foto stock - Alamy](https://c8.alamy.com/compit/2mmraj7/roger-federer-of-switzerland-serves-to-leonardo-mayer-of-argentina-at-the-western-southern-open-tennis-tournament-friday-aug-17-2018-in-mason-ohio-ap-photo-john-minchillo-2mmraj7.jpg)
Roger Federer, of Switzerland, serves to Leonardo Mayer, of Argentina, at the Western & Southern Open tennis tournament, Friday, Aug. 17, 2018, in Mason, Ohio. (AP Photo/John Minchillo Foto stock - Alamy
![H2H Roger Federer vs. Leonardo Mayer | French Open preview, odds, prediction - Tennis Tonic - News, Predictions, H2H, Live Scores, stats H2H Roger Federer vs. Leonardo Mayer | French Open preview, odds, prediction - Tennis Tonic - News, Predictions, H2H, Live Scores, stats](https://tennistonic.com/wp-content/uploads/2019/06/Prediction-and-head-to-head-Roger-Federer-vs.-Leonardo-Mayer.jpg)
H2H Roger Federer vs. Leonardo Mayer | French Open preview, odds, prediction - Tennis Tonic - News, Predictions, H2H, Live Scores, stats
![Roger Federer cruises through to US Open second round with 77-minute victory over Leonardo Mayer | Daily Mail Online Roger Federer cruises through to US Open second round with 77-minute victory over Leonardo Mayer | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2015/09/01/22/2BE2B89200000578-3218943-image-a-38_1441144055334.jpg)
Roger Federer cruises through to US Open second round with 77-minute victory over Leonardo Mayer | Daily Mail Online
![Roger Federer of Switzerland plays a backhand during his mens singles fourth round match against Leonardo Mayer of Argentina during Day eight of the 2019 French Open at Roland Garros on June Roger Federer of Switzerland plays a backhand during his mens singles fourth round match against Leonardo Mayer of Argentina during Day eight of the 2019 French Open at Roland Garros on June](https://c8.alamy.com/comp/2DEJ567/roger-federer-of-switzerland-plays-a-backhand-during-his-mens-singles-fourth-round-match-against-leonardo-mayer-of-argentina-during-day-eight-of-the-2019-french-open-at-roland-garros-on-june-02-2019-in-paris-france-photo-by-christian-liewigabacapresscom-2DEJ567.jpg)
Roger Federer of Switzerland plays a backhand during his mens singles fourth round match against Leonardo Mayer of Argentina during Day eight of the 2019 French Open at Roland Garros on June
![Roger Federer of Switzerland moves forward for a shot during play against Florian Mayer of Germany Thursday, Jan. 19, 2006, at the Australian Open Tennis in Melbourne, Australia. Federer defeated Mayer 6-1, Roger Federer of Switzerland moves forward for a shot during play against Florian Mayer of Germany Thursday, Jan. 19, 2006, at the Australian Open Tennis in Melbourne, Australia. Federer defeated Mayer 6-1,](https://c8.alamy.com/comp/2PDEK8A/roger-federer-of-switzerland-moves-forward-for-a-shot-during-play-against-florian-mayer-of-germany-thursday-jan-19-2006-at-the-australian-open-tennis-in-melbourne-australia-federer-defeated-mayer-6-1-6-4-6-0-in-the-second-round-match-ap-photomark-baker-2PDEK8A.jpg)
Roger Federer of Switzerland moves forward for a shot during play against Florian Mayer of Germany Thursday, Jan. 19, 2006, at the Australian Open Tennis in Melbourne, Australia. Federer defeated Mayer 6-1,
![Halle, Germania. Il 23 giugno, 2017. Roger Federer restituisce la sfera durante gli uomini singoli quarti match contro Florian Mayer della Germania nel Gerry Weber Open 2017 a Halle, Germania, il 23 Halle, Germania. Il 23 giugno, 2017. Roger Federer restituisce la sfera durante gli uomini singoli quarti match contro Florian Mayer della Germania nel Gerry Weber Open 2017 a Halle, Germania, il 23](https://c8.alamy.com/compit/jedb3j/halle-germania-il-23-giugno-2017-roger-federer-restituisce-la-sfera-durante-gli-uomini-singoli-quarti-match-contro-florian-mayer-della-germania-nel-gerry-weber-open-2017-a-halle-germania-il-23-giugno-2017-roger-federer-ha-vinto-2-0-credito-joachim-bywaletz-xinhua-alamy-live-news-jedb3j.jpg)
Halle, Germania. Il 23 giugno, 2017. Roger Federer restituisce la sfera durante gli uomini singoli quarti match contro Florian Mayer della Germania nel Gerry Weber Open 2017 a Halle, Germania, il 23
![Roger Federer of Switzerland gioca un ruolo da backhand durante la quarta partita dei singoli uomini contro Leonardo Mayer d'Argentina durante il giorno otto del 2019 French Open al Roland Garros il Roger Federer of Switzerland gioca un ruolo da backhand durante la quarta partita dei singoli uomini contro Leonardo Mayer d'Argentina durante il giorno otto del 2019 French Open al Roland Garros il](https://c8.alamy.com/compit/2dej55a/roger-federer-of-switzerland-gioca-un-ruolo-da-backhand-durante-la-quarta-partita-dei-singoli-uomini-contro-leonardo-mayer-d-argentina-durante-il-giorno-otto-del-2019-french-open-al-roland-garros-il-02-giugno-2019-a-parigi-francia-foto-di-christian-liegi-abacapress-com-2dej55a.jpg)