Poland's Iga Swiatek becomes new No. 1 in women's tennis | The Manila Times
Deconstructing No. 1: The Top 16 Women Who Dominated on the Tennis Court | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
The Top 10 Greatest Women's Tennis Players of All Time - HowTheyPlay
Martina Hingis - Wikipedia
World No.1 Ashleigh Barty hopes 2020 will be golden year
Tennis: Poland's Iga Swiatek Becomes New World No 1
List of WTA number 1 ranked singles tennis players - Wikipedia
Wimbledon 2014: World No 1 Serena Williams confirmed as top seed for women's draw | Tennis News | Sky Sports
The greatest female tennis player of the last 50 years: the fans' verdict | Tennis | The Guardian
Venus becomes the first black player to become world No 1
Australia's Ash Barty secures women's world No 1 ranking - Chinadaily.com.cn
Ashleigh Barty Wins Wimbledon Women's Singles Title - The New York Times
List of WTA number 1 ranked singles tennis players - Wikipedia
Russia's No. 1 female tennis player comes out as gay – Orlando Sentinel
Canada's Fernandez draws into same bracket as world No. 1 Swiatek at National Bank Open | CBC Sports
Ash Barty confirms place in tennis elite after ending third straight year as world No 1 | Ash Barty | The Guardian
Iga Swiatek 1st Polish tennis player to top world rankings | CBC Sports
Former British No 1 Anne Keothavong retires from tennis | Daily Mail Online
2019 WTA Tour - Wikipedia
Youth and Experience Will Face Off in the U.S. Open Women's Draw - The New York Times
Iga Swiatek becomes 1st Polish tennis player ranked No. 1
24-Year-Old Karman Kaur Thandi Becomes India's No.1 Singles Women Tennis Player: Know About Her
List of WTA Number 1 Tennis Players – All World No.1s In History | STEVE G TENNIS
Australian tennis player Ash Barty, world women's No. 1, retires at age 25 - UPI.com
Tennis: Naomi Osaka drops from world No. 1
