Exclusive: 'Key' revealed to Roger Federer and Rafael Nadal winning farewell doubles match at Laver Cup
Doubles legend Todd Woodbridge has given his thoughts on the doubles pairing of Roger Federer and Rafael Nadal ahead of their eagerly-anticipated clash with Frances Tiafoe and Jack Sock at the Laver Cup on Friday night. Federer is to retire from competitive tennis after the event and will be signing off in style, playing doubles with his great friend and rival Nadal in front of a packed crowd at the O2 Arena in London.


