Ashleigh Barty Wins the French Open for Her First Grand Slam Singles Title - The New York Times
Tennis: Women's singles players who have held the WTA No. 1 ranking
Oracle/ITA Division I Women's Singles Rankings — April 16, 2019 - ITA #WeAreCollegeTennis
WTA Rankings Update 2019: Osaka regains No.1 spot, Andreescu surges into Top 15
Oracle/ITA Division II Women's Team Rankings — April 10, 2019 - ITA #WeAreCollegeTennis
Women's Tennis Scores | WTA Tennis
Ashleigh Barty and Danielle Collins Will Meet in Australian Open Final - The New York Times
Biggest movers: Australian women soar in 2019 rankings | 14 November, 2019 | All News | News and Features | News and Events | Tennis Australia
Halep routs Williams to win Women's Singles Championship at Wimbledon - WTOP News
Oracle/ITA Division II Women's Singles Rankings — April 10, 2019 - ITA #WeAreCollegeTennis
ATP Rankings 2019: Rafael Nadal No.1 men's player after overtaking Novak Djokovic | London Evening Standard | Evening Standard
Women's Tennis: Mendez 40th in NAIA national singles rankings | Indiana University East Athletics
Bianca Andreescu upsets Serena Williams to win 2019 US Open - Official Site of the 2022 US Open Tennis Championships - A USTA Event
Top 5 ranked Tennis Women's Players Right Now (April 2022 Ranking)
Top 14 Women's tennis WTA Singles players World rankings (2007-2019) - YouTube
Oracle/ITA Division I Women's Singles Rankings — February 20, 2019 - ITA #WeAreCollegeTennis
Women's tennis breaks through to high rankings - The Daily Illini
2019 US Open – Women's singles - Wikipedia
World rankings of the top 20 women tennis players in 2022 - SportsBrief.com
Naomi Osaka grabs No. 1 women's tennis ranking with Australian Open victory - MarketWatch
World No. 1 Ashleigh Barty announces she's retiring from professional tennis - Egypt Independent
Ash Barty's Wimbledon exit will not stop her from holding onto world number one ranking - ABC News
Top 5 Ranking Female Tennis Players 2019 • Lists.ng
Brilliant Barty rewarded with No.1 ranking - Roland-Garros - The 2023 Roland-Garros Tournament official site
US Open 2019: Day 7 Order of Play
Top 5 Ranking Female Tennis Players 2019 • Lists.ng
Naomi Osaka retains top spot in Women's Tennis Association rankings - India Today
