Federer teams up with Nadal at Laver Cup for final match
Djokovic leads Federer tributes as Swiss great prepares to quit the court
Roger Federer announces his retirement: statement
Federer to undergo more knee surgery, will be out 'for months'
Federer crashes as Djokovic reaches 10th Wimbledon semi
Djokovic, Federer in Wimbledon landmarks as title showdown nears
Federer set for French Open pullout and end four-decade Paris stretch
Djokovic sets record for weeks at world No 1
Federer ready for return after 'long, hard road'
