![Spritely Roger Federer continues to defy his years to dispatch Jack Sock at the ATP Finals in London | The Independent | The Independent Spritely Roger Federer continues to defy his years to dispatch Jack Sock at the ATP Finals in London | The Independent | The Independent](https://static.independent.co.uk/s3fs-public/thumbnails/image/2017/11/12/18/federer-2.jpg?width=1200)
Spritely Roger Federer continues to defy his years to dispatch Jack Sock at the ATP Finals in London | The Independent | The Independent
![Double fault? Roger Federer left red-faced as Jack Sock bares 'big' bottom at ATP Finals-Sports News , Firstpost Double fault? Roger Federer left red-faced as Jack Sock bares 'big' bottom at ATP Finals-Sports News , Firstpost](https://images.firstpost.com/wp-content/uploads/2017/11/Federer-Sock-butt-Twitter-screenshot.jpg?impolicy=website&width=320&height=180)
Double fault? Roger Federer left red-faced as Jack Sock bares 'big' bottom at ATP Finals-Sports News , Firstpost
![ATP Finals: Is a Roger Federer win a forgone conclusion? How dangerous is Jack Sock? Three burning questions ahead of the semi-finals - Sport360 News ATP Finals: Is a Roger Federer win a forgone conclusion? How dangerous is Jack Sock? Three burning questions ahead of the semi-finals - Sport360 News](https://sport360.com/wp-content/uploads/2017/11/GettyImages-867464442-1.jpg)
ATP Finals: Is a Roger Federer win a forgone conclusion? How dangerous is Jack Sock? Three burning questions ahead of the semi-finals - Sport360 News
![London, UK. 12th November, 2017. Jack Sock (USA) congratulating Roger Federer (SUI) after Federer won the match by two sets in the singles competition in the Nitto ATP Finals at The O2 London, UK. 12th November, 2017. Jack Sock (USA) congratulating Roger Federer (SUI) after Federer won the match by two sets in the singles competition in the Nitto ATP Finals at The O2](https://c8.alamy.com/comp/KH2KB3/london-uk-12th-november-2017-jack-sock-usa-congratulating-roger-federer-KH2KB3.jpg)
London, UK. 12th November, 2017. Jack Sock (USA) congratulating Roger Federer (SUI) after Federer won the match by two sets in the singles competition in the Nitto ATP Finals at The O2
![Jack Sock tries to break into Roger Federer's changing room at ATP finals, this is SNEAKY | Tennis | Sport | Express.co.uk Jack Sock tries to break into Roger Federer's changing room at ATP finals, this is SNEAKY | Tennis | Sport | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/72/590x/1045488_1.jpg?r=1542227234388)
Jack Sock tries to break into Roger Federer's changing room at ATP finals, this is SNEAKY | Tennis | Sport | Express.co.uk
![Jack Sock stuns world No 3 Alexander Zverev to make history at the ATP Finals | The Independent | The Independent Jack Sock stuns world No 3 Alexander Zverev to make history at the ATP Finals | The Independent | The Independent](https://static.independent.co.uk/s3fs-public/thumbnails/image/2017/11/16/23/jack-sock.jpg)
Jack Sock stuns world No 3 Alexander Zverev to make history at the ATP Finals | The Independent | The Independent
Jack Sock plays Roger Federer into easy miss! ATP Finals 2017 | When Roger Federer was put off by a big distraction...🍑😂 | By Tennis TV | Facebook
![Roger Federer of Switzerland plays a return to Jack Sock of the United States during their singles tennis match at the ATP World Finals at the O2 Arena in London, Sunday, Nov. Roger Federer of Switzerland plays a return to Jack Sock of the United States during their singles tennis match at the ATP World Finals at the O2 Arena in London, Sunday, Nov.](https://c8.alamy.com/comp/2MPYNR9/roger-federer-of-switzerland-plays-a-return-to-jack-sock-of-the-united-states-during-their-singles-tennis-match-at-the-atp-world-finals-at-the-o2-arena-in-london-sunday-nov-12-2017-ap-photokirsty-wigglesworth-2MPYNR9.jpg)