Five times Federer has lost from two sets to love up
2003 Davis Cup semi-finals lost to Australia’s Lleyton Hewitt
2005 Tennis Masters Cup lost to Argentina’s David Nalbandian
2011 Wimbledon quarter-final lost to Jo-wilfried Tsonga
2011 US Open semi-final lost to Novak Djokovic
2018 Wimbledon quarter-final lost to Kevin Anderson