Swiss tennis player Roger Federer taking a selfie with a quokka on Rottnest Island, just offshore from Perth, Western Australia (WA), Australia, 28 December 2017. Federer will play in the Hopman Cup in Perth from 30 December 2017. EPA-EFE/ROGER FEDERER
Swiss tennis player Roger Federer poses for a photograph while holding a surf board at Parakeet Bay on Rottnest Island, Western Australia, Australia, 28 December 2017. Federer will be playing in the Hopman Cup in Perth from 30 December 2017. EPA-EFE/RICHARD WAINWRIGHT
Roger Federer of Switzerland in action during an open practice session with Thanasi Kokkinakis of Australia at Perth Arena in Perth, Australia, 29 December 2017. The Hopman Cup in Perth starts on 30 December. EPA-EFE/RICHARD WAINWRIGHT
Roger Federer of Switzerland in action during an open practice session with Thanasi Kokkinakis of Australia at Perth Arena in Perth, Australia, 29 December 2017. The Hopman Cup in Perth starts on 30 December. EPA-EFE/RICHARD WAINWRIGHT
Roger Federer of Switzerland in action during an open practice session with Thanasi Kokkinakis of Australia at Perth Arena in Perth, Australia, 29 December 2017. The Hopman Cup in Perth starts on 30 December. EPA-EFE/RICHARD WAINWRIGHT
Roger Federer of Switzerland has a selfie taken with fans following an open practice session with Thanasi Kokkinakis of Australia at Perth Arena in Perth, Australia, 29 December 2017. The Hopman Cup in Perth starts on 30 December. EPA-EFE/RICHARD WAINWRIGHT