![Roger Federer of Switzerland changes his shirt during his quarter-final match against Russia's Nikolay Davydenko at the Australian Open tennis tournament in Melbourne January 27, 2010. REUTERS/Daniel Munoz (AUSTRALIA - Tags: SPORT Roger Federer of Switzerland changes his shirt during his quarter-final match against Russia's Nikolay Davydenko at the Australian Open tennis tournament in Melbourne January 27, 2010. REUTERS/Daniel Munoz (AUSTRALIA - Tags: SPORT](https://c8.alamy.com/comp/2E80G7T/roger-federer-of-switzerland-changes-his-shirt-during-his-quarter-final-match-against-russias-nikolay-davydenko-at-the-australian-open-tennis-tournament-in-melbourne-january-27-2010-reutersdaniel-munoz-australia-tags-sport-tennis-2E80G7T.jpg)
Roger Federer of Switzerland changes his shirt during his quarter-final match against Russia's Nikolay Davydenko at the Australian Open tennis tournament in Melbourne January 27, 2010. REUTERS/Daniel Munoz (AUSTRALIA - Tags: SPORT
![Roger Federer: Nikolay Davydenko Won't Test Fed at Australian Open | News, Scores, Highlights, Stats, and Rumors | Bleacher Report Roger Federer: Nikolay Davydenko Won't Test Fed at Australian Open | News, Scores, Highlights, Stats, and Rumors | Bleacher Report](https://img.bleacherreport.net/img/images/photos/002/101/084/hi-res-96201713_crop_north.jpg?1358264501&w=3072&h=2048)
Roger Federer: Nikolay Davydenko Won't Test Fed at Australian Open | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
![Roger Federer eases into Australian Open last 16, Novak Djokovic advances | Australian Open | The Guardian Roger Federer eases into Australian Open last 16, Novak Djokovic advances | Australian Open | The Guardian](https://i.guim.co.uk/img/static/sys-images/Sport/Pix/pictures/2010/1/23/1264233024280/Roger-Federer-001.jpg?width=1200&height=630&quality=85&auto=format&fit=crop&overlay-align=bottom%2Cleft&overlay-width=100p&overlay-base64=L2ltZy9zdGF0aWMvb3ZlcmxheXMvdGctYWdlLTIwMTAucG5n&enable=upscale&s=8c54df7960b19e0049245524d8968f32)