Melbourne 27th January 2010 No.1 seed Roger Federer has fought back from a set down to beat No.6 seed Nikolay Davydenko 2-6 6-3 6-0 7-5 and make the semi-finals of the Australian Open. Photo Ray Giubilo

2015 MIAMI OPEN Key Biscayne, 23 March 2015 ZEBALLOS Horacio (ARG) Photo Ray Giubilo