Roger Federer hints at farewell tour 'to say thank you to fans'

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 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