2013 WTA Tour - Wikipedia
American Men Will Drop Out of Top 20 for First Time in 40 Years - The New York Times
Daniela Hantuchova, Simona Halep jump in tennis rankings - UPI.com
Brazil's Teliana Pereira: From poverty to WTA champion | CNN
:format(jpeg)/cdn.vox-cdn.com/uploads/chorus_image/image/23937987/187704399.0.jpg "Advanced Baseline: Updated men's tennis rankings, November 2013 - SBNation.com")
Advanced Baseline: Updated men's tennis rankings, November 2013 - SBNation.com
Clarke Spinosa Up to No. 82 in Latest Rankings - University of San Diego Athletics
2013 Rafael Nadal tennis season - Wikipedia
Rankings watch: young Aussie men on the up | 29 April, 2013 | All News | News and Features | News and Events | Tennis Australia
Rankings - Tennis Canada
WTA Rankings 5.20.2013: Serena Supreme Again, Wins Rome…Maintains #1 | Fairways and Forehands
Jo-Wilfried Tsonga - Wikipedia
Rajarshi's Sports World: Rohan Bopanna rises to No. 7 in ATP doubles rankings
Wimbledon 2013: Serena Williams could only beat men ranked in the 300s, not Andy Murray, says Jeff Tarango
Thompson wins first career title | 29 July, 2013 | All News | News and Features | News and Events | Tennis Australia
Projected 2013 top 10 ATP World Tour Rankings - Tennis Connected
ATP Rankings July 22, 2013: No changes in rank for top 5 – Rafael Nadal Fans
Nadal drops a spot in rankings
French Open — David Ferrer Is No. 4, But Not in Big Four - The New York Times
Somdev Devvarman jumps 3 spots in latest ATP rankings to be placed 184th
ZooTennis: North Carolina Women, Virginia Men Remain No. 1 in First ITA Computer Rankings; Omaha as Permanent NCAA Tournament Site?; Blake on Playing College Tennis
Duke in the Pros: Cunha, Wietoska Jump in Rankings - Duke University
:format(jpeg)/cdn.vox-cdn.com/uploads/chorus_image/image/9493531/159112746.0.jpg "Advanced Baseline women's tennis rankings (March 11, 2013) - SBNation.com")
Advanced Baseline women's tennis rankings (March 11, 2013) - SBNation.com
Rankings watch: Ebden returns to top 100 | 28 October, 2013 | All News | News and Features | News and Events | Tennis Australia
ATP Rankings, Aug 12: Rafael Nadal moves to No. 3 – Rafael Nadal Fans
Nadal rises, Stosur slips in the rankings - ABC News
History | ATP Tour | Tennis
:format(jpeg)/cdn.vox-cdn.com/uploads/chorus_image/image/24011959/180092218.0.jpg "Advanced Baseline: Updated women's tennis rankings, November 2013 - SBNation.com")