Roger Federer made a strong start to his bid to cap his golden year with a seventh ATP Tour Finals title as the Swiss star defeated Jack Sock 6-4, 7-6 (7/4) yesterday. Four months after winning Wimbledon for a record eighth time, Federer is back in the English capital aiming to cap a remarkably successful spell by lifting the silverware at the O2 Arena. When Federer missed last year's Tour Finals through injury. He came into 2017 having missed half of last season due to fitness problems and was without a Grand Slam title since 2012.

Roger Federer returns to Jack Sock yesterday. Pic/AFP