![US Open Tennis on Twitter: "#Monfils loses momentum; #Federer picks it up, takes lead in fifth, 4-1. #usopen http://t.co/KRPby7ApSF" / Twitter US Open Tennis on Twitter: "#Monfils loses momentum; #Federer picks it up, takes lead in fifth, 4-1. #usopen http://t.co/KRPby7ApSF" / Twitter](https://pbs.twimg.com/media/BwvUhMtIgAEKMQc.jpg)
US Open Tennis on Twitter: "#Monfils loses momentum; #Federer picks it up, takes lead in fifth, 4-1. #usopen http://t.co/KRPby7ApSF" / Twitter
![ATP World Tour Finals 2014: Blink and you miss it as Novak Djokovic takes less than an hour to conquer Marin Cilic | The Independent | The Independent ATP World Tour Finals 2014: Blink and you miss it as Novak Djokovic takes less than an hour to conquer Marin Cilic | The Independent | The Independent](https://static.independent.co.uk/s3fs-public/thumbnails/image/2014/11/10/22/Djokovic-Getty.jpg?quality=75&width=982&height=726&auto=webp)
ATP World Tour Finals 2014: Blink and you miss it as Novak Djokovic takes less than an hour to conquer Marin Cilic | The Independent | The Independent
![Roger Federer vs. Stan Wawrinka: Score and Recap from 2014 ATP World Tour Finals | News, Scores, Highlights, Stats, and Rumors | Bleacher Report Roger Federer vs. Stan Wawrinka: Score and Recap from 2014 ATP World Tour Finals | News, Scores, Highlights, Stats, and Rumors | Bleacher Report](https://img.bleacherreport.net/img/images/photos/003/155/687/hi-res-3978aafbf62bfbf6a03a83a6f84caa9e_crop_north.jpg?1416092970&w=3072&h=2048)
Roger Federer vs. Stan Wawrinka: Score and Recap from 2014 ATP World Tour Finals | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
![Novak Djokovic vs. Andy Murray: 2014 ATP World Tour Finals Exhibition Recap | News, Scores, Highlights, Stats, and Rumors | Bleacher Report Novak Djokovic vs. Andy Murray: 2014 ATP World Tour Finals Exhibition Recap | News, Scores, Highlights, Stats, and Rumors | Bleacher Report](https://img.bleacherreport.net/img/images/photos/003/156/656/hi-res-e365f4e8fc3d1fe0fd5d601f5a44ad95_crop_north.jpg?1416165816&w=3072&h=2048)
Novak Djokovic vs. Andy Murray: 2014 ATP World Tour Finals Exhibition Recap | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
![Novak Djokovic Serbia Celebrates Ending Year Editorial Stock Photo - Stock Image | Shutterstock | Shutterstock Editorial Novak Djokovic Serbia Celebrates Ending Year Editorial Stock Photo - Stock Image | Shutterstock | Shutterstock Editorial](https://editorial01.shutterstock.com/preview/4244412r/775533ae/Shutterstock_4244412r.jpg)