![Switzerland's Roger Federer makes a backhand return to Tennys Sandgren of the U.S. during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 28, 2020. (AP Photo/Lee Switzerland's Roger Federer makes a backhand return to Tennys Sandgren of the U.S. during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 28, 2020. (AP Photo/Lee](https://c8.alamy.com/comp/2MH402C/switzerlands-roger-federer-makes-a-backhand-return-to-tennys-sandgren-of-the-us-during-their-quarterfinal-match-at-the-australian-open-tennis-championship-in-melbourne-australia-tuesday-jan-28-2020-ap-photolee-jin-man-2MH402C.jpg)
Switzerland's Roger Federer makes a backhand return to Tennys Sandgren of the U.S. during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 28, 2020. (AP Photo/Lee
![How Roger Federer 'miracle' at Australian Open left Tennys Sandgren shellshocked | Tennis | Sport | Express.co.uk How Roger Federer 'miracle' at Australian Open left Tennys Sandgren shellshocked | Tennis | Sport | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/72/590x/Roger-Federer-1240377.jpg?r=1581379659653)
How Roger Federer 'miracle' at Australian Open left Tennys Sandgren shellshocked | Tennis | Sport | Express.co.uk
![Roger Federer has cost me a place at the Olympics,' says Tennys Sandgren after Australian Open epic - Tennis365 Roger Federer has cost me a place at the Olympics,' says Tennys Sandgren after Australian Open epic - Tennis365](https://d2me2qg8dfiw8u.cloudfront.net/content/uploads/2020/02/15065243/Tennys-Sandgren-after-Roger-Federer-defeat.jpg)
Roger Federer has cost me a place at the Olympics,' says Tennys Sandgren after Australian Open epic - Tennis365
![Australian Open 2020: Roger Federer results and form ahead of quarter-final with Tennys Sandgren - Tennis Majors Australian Open 2020: Roger Federer results and form ahead of quarter-final with Tennys Sandgren - Tennis Majors](https://assets.tennismajors.com/app/uploads/2020/01/26062434/RogerFederer-cropped-2.jpeg)
Australian Open 2020: Roger Federer results and form ahead of quarter-final with Tennys Sandgren - Tennis Majors
![Tennys Sandgren vs Roger Federer live stream: How to watch Australian Open quarter-final | Tennis | Sport | Express.co.uk Tennys Sandgren vs Roger Federer live stream: How to watch Australian Open quarter-final | Tennis | Sport | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/72/750x445/1234093.jpg)
Tennys Sandgren vs Roger Federer live stream: How to watch Australian Open quarter-final | Tennis | Sport | Express.co.uk
![Why Tennys Sandgren Won't Take His Shot At Roger Federer For Granted | Australian Open | ATP Tour | Tennis Why Tennys Sandgren Won't Take His Shot At Roger Federer For Granted | Australian Open | ATP Tour | Tennis](https://www.atptour.com/en/news/www.atptour.com/-/media/images/news/2020/01/27/06/28/sandgren-australian-open-2020-feature.jpg)
Why Tennys Sandgren Won't Take His Shot At Roger Federer For Granted | Australian Open | ATP Tour | Tennis
![Roger Federer sent x-rated tribute as Tennys Sandgren goes against the norm with remark | Tennis | Sport | Express.co.uk Roger Federer sent x-rated tribute as Tennys Sandgren goes against the norm with remark | Tennis | Sport | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/72/590x/secondary/4285079.jpg?r=1663318162598)
Roger Federer sent x-rated tribute as Tennys Sandgren goes against the norm with remark | Tennis | Sport | Express.co.uk
![Roger Federer admits he was 'incredibly lucky' to beat Tennys Sandgren and reach Australian Open semi-final | London Evening Standard | Evening Standard Roger Federer admits he was 'incredibly lucky' to beat Tennys Sandgren and reach Australian Open semi-final | London Evening Standard | Evening Standard](https://static.standard.co.uk/s3fs-public/thumbnails/image/2020/01/28/13/Fed2801abcde.jpg?width=968&auto=webp&quality=50&crop=968%3A645%2Csmart)
Roger Federer admits he was 'incredibly lucky' to beat Tennys Sandgren and reach Australian Open semi-final | London Evening Standard | Evening Standard
![Roger Federer saves 7 match points in bizarre match vs. Sandgren | 2020 Australian Open Highlights - YouTube Roger Federer saves 7 match points in bizarre match vs. Sandgren | 2020 Australian Open Highlights - YouTube](https://i.ytimg.com/vi/dX1hT3FUuqU/maxresdefault.jpg)