Federer receives 3 honours in 2013 ATP World Tour Awards --China Economic Net
Rafael Nadal and Novak Djokovic ready for ATP World Tour Finals summit | ATP Finals | The Guardian
Exhausted' Novak Djokovic battles on to Davis Cup final following victory over Rafael Nadal in ATP World Tour Final 2013 | The Independent | The Independent
Rafael Nadal shines at ATP World Tour Finals to end 2013 as world No1 | Rafael Nadal | The Guardian
Barclays ATP World Tour Finals at The O2, 4-11 November 2013 | Tennis stars, Tennis, Tennis professional
ATP World Tour Finals 2013: Rafael Nadal makes light work of David Ferrer at the O2 | The Independent | The Independent
File:2013 ATP World Tour Finals Berdych vs Ferrer.jpg - Wikipedia
Barclays ATP World Tour Finals 2013 Sunday Highlights Djokovic Wawrinka - YouTube
Novak Djokovic and Roger Federer drawn in same group at ATP World Tour Finals | India.com
ATP World Tour Finals 2013: Rafael Nadal secures end of year world No 1 ranking with victory over Stanislas Wawrinka | The Independent | The Independent
On this day: November 11, 2013 – Novak Djokovic beats Rafael Nadal to ATP World Tour Finals - Sport360 News
Barclays ATP World Tour Finals 2013 Tournament Review - YouTube
ATP World Tour Finals 2013: Roger Federer sets up semi-final with Rafael Nadal after coming from behind to beat Juan Martin del Potro | The Independent | The Independent
Rafael Nadal defeats Roger Federer to reach the Final at the ATP World Tour Final! – Rafael Nadal Fans
Novak Djokovic overwhelms Rafael Nadal to retain ATP World Tour title | CNN
Nadal Federer London ATP World Tour Finals 2013 – Rafael Nadal Fans
File:ATP World Tour Finals at The O2 (8325903704).jpg - Wikimedia Commons
Biggest Takeaways from the 2013 ATP World Tour Awards | News, Scores, Highlights, Stats, and Rumors | Bleacher Report