American Men Will Drop Out of Top 20 for First Time in 40 Years - The New York Times
File:2013 ATP World Tour Finals Berdych vs Ferrer.jpg - Wikipedia
Extended Highlights: Rafael Nadal v Juan Martin Del Potro | Indian Wells 2013 Final - YouTube
ATP Tour Finals 2013 Championship Match: Djokovic v Nadal - Singapore Tennis Lessons
Novak Djokovic overwhelms Rafael Nadal to retain ATP World Tour title | CNN
Rafael Nadal and Novak Djokovic ready for ATP World Tour Finals summit | ATP World Tour Finals | The Guardian
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
ATP 500 Series 2013: Rakuten Japan Open Tennis, Tokyo - The Rakuten Japan Open Tennis Championships is th… | Tennis tournaments, Tennis championships, Tennis center
ATP World Tour Finals 2013 Results: Day 7 Scores, Highlights and Recap | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
ATP World Tour Finals 2013: Rafael Nadal Season Review | STEVE G TENNIS
Rafael Nadal at the US Open 2013 | Tennis photography, Tennis players, Atp tennis
ATP World Tour Finals: Rafael Nadal to end remarkable 2013 as No. 1 | CNN
Djokovic wins, faces Nadal in ATP World Tour Finals
Noteworthy
Monte Carlo, Monaco. 21st April, 2013. Rolex Masters Tennis - Final. Rafael Nadal (Spain) v Novak Djokovic (
Guillermo Garcia-Lopez of Spain returns the ball to Ernests Gulbis of Latvia during the St. Petersburg Open ATP tennis tournament final match in St.Petersburg, Russia, Sunday, Sept. 22, 2013. (AP Photo/Dmitry Lovetsky
2013 Rafael Nadal tennis season - Wikipedia
Barclays ATP World Tour Finals 2013 Tournament Review - YouTube
Over 30s: Federer beats Haas to reach Halle final - The San Diego Union-Tribune
Gulbis, Garcia-Lopez reach St Petersburg final - The San Diego Union-Tribune
In Pictures: Indian Wells | Gallery | Al Jazeera
ATP World Tour Finals 2013: Rafael Nadal secures end of year world No 1 ranking with victory over Stanislas Wawrinka | The Independent | The Independent
