Roger Federer hinted at a potential farewell tour after he played the final professional match of his illustrious career in the early hours of Saturday morning at the O2 Arena in London.
The 20-time grand-slam champion could not bring the curtain down with one final competitive victory after losing 6-4 6-7 (2) 9-11 alongside doubles partner Rafael Nadal to Team World pair Jack Sock and Frances Tiafoe at the Laver Cup.
