Petra Martić - Wikipedia
Sania Mirza retires: In 20-year career, six Grand Slams, 43 WTA doubles titles and many firsts for Indian tennis
Wimbledon 2011: Power-Ranking the Top 10 Women in the Field | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
Ranking History of Top 10 Women's Tennis Players (1987 - 2018) - YouTube
A visual history of women's tennis — FT.com
Top 20: WTA players with most ranking points of the decade
Wimbledon 2011: Power-Ranking the Top 10 Women in the Field | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
WTA ratings - global female tennis players by number of total weeks at No. 1 | Statista
Serena and Venus Williams Earn Tennis World No. 1 Doubles Ranking -
WTA rankings - Wikipedia
The 30 best tennis players of the 2010s | Yardbarker
Year-End Singles Rankings - 2010 - WTA
Caroline Wozniacki advances in WTA Finals; Simona Halep to keep top ranking | Tennis News – India TV
Final 2010 WTA Rankings | Fairways and Forehands
Top 20: WTA players with most ranking points of the decade
WTA rankings - Wikiwand
Wimbledon 2011: Power-Ranking the Top 10 Women in the Field | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
Top 20: WTA players with most ranking points of the decade
WTA Feature Story: Asian Women in Professional Tennis | 10 NIS 4 ALL
The Tennis Letter on Twitter: "Elina Avanesyan deserves a standing ovation. She came into Roland Garros ranked #134 She will leave with a live ranking of #79 & a win over world #
