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Jack Sock explains anger and point penalty as he makes ATP semis alongside Roger Federer | 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?quality=75&width=1200&auto=webp)
Jack Sock stuns world No 3 Alexander Zverev to make history at the ATP Finals | The Independent | The Independent
![ATP World Tour Finals: Jack Sock Downs Alexander Zverev To Make Semis, Roger Federer Haunts Marin Cilic | Tennis News ATP World Tour Finals: Jack Sock Downs Alexander Zverev To Make Semis, Roger Federer Haunts Marin Cilic | Tennis News](https://i.ndtvimg.com/i/2017-11/jack-sock-world-tour-semis-afp_806x605_71510894098.jpg)
ATP World Tour Finals: Jack Sock Downs Alexander Zverev To Make Semis, Roger Federer Haunts Marin Cilic | Tennis News
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Sock Shocks Zverev to land a semi-final clash with Dimitrov at the Nitto ATP Finals | Britwatch Sports
![American Jack Sock Wins Rollercoaster Against Alexander Zverev To Reach Semi-finals at Nitto ATP Finals | ATP Tour | Tennis American Jack Sock Wins Rollercoaster Against Alexander Zverev To Reach Semi-finals at Nitto ATP Finals | ATP Tour | Tennis](https://www.atptour.com/en/news/www.atptour.com/-/media/images/news/2017/11/16/21/02/sock-nitto-atp-finals-2017-thursday.jpg)
American Jack Sock Wins Rollercoaster Against Alexander Zverev To Reach Semi-finals at Nitto ATP Finals | ATP Tour | Tennis
![JACK SOCK (USA) Tennis - ATP World Tour Finals 2017 - London - ATP - O2 Arena - Great Britain - 2017 | Juergen Hasenkopf Photography JACK SOCK (USA) Tennis - ATP World Tour Finals 2017 - London - ATP - O2 Arena - Great Britain - 2017 | Juergen Hasenkopf Photography](https://m.psecn.photoshelter.com/img-get/I0000PILzrjU_jJc/s/1200/I0000PILzrjU_jJc.jpg)