List of WTA number 1 ranked singles tennis players - Wikipedia
Tennis: Naomi Osaka drops from world No. 1
2019 WTA Tour - Wikipedia
Who are the Top 10 Greatest Women's Tennis Players - Tennis Connected
Australia's Ash Barty secures women's world No 1 ranking - Chinadaily.com.cn
Poland's Iga Swiatek becomes new No. 1 in women's tennis | The Manila Times
Who is the world No.1 in women's tennis? Updated WTA rankings and explainer | Sporting News
Former British No 1 Anne Keothavong retires from tennis | Daily Mail Online
Tennis: Poland's Iga Swiatek Becomes New World No 1
From Grand Slam champ to World No.1, the rise of Iga Swiatek
List of WTA Number 1 Tennis Players – All World No.1s In History | STEVE G TENNIS
WTA ratings - global female tennis players by number of total weeks at No. 1 | Statista
World No.1 Ashleigh Barty hopes 2020 will be golden year
Russia's No. 1 female tennis player comes out as gay – Orlando Sentinel
Emma Raducanu - Wikipedia
Australian tennis player Ash Barty, world women's No. 1, retires at age 25 - UPI.com
Women's Tennis : Most weeks as WTA World Number 1
USC Women's Tennis Downs Ivy League Opponents Dartmouth, Princeton - USC Athletics
Iga Swiatek becomes 1st Polish tennis player ranked No. 1
The greatest female tennis player of the last 50 years: the fans' verdict | Tennis | The Guardian
Top 10 Best Women's Tennis Players I WTA Ranking 2019 I Naomi Osaka is No. 1 - YouTube
Wimbledon 2014: World No 1 Serena Williams confirmed as top seed for women's draw | Tennis News | Sky Sports
Ashleigh Barty Wins Wimbledon Women's Singles Title - The New York Times
