Serena Williams becomes oldest female world number one - BBC Sport
Swiatek confirmed new women's world No. 1 in latest WTA rankings | Daily Sabah
Women's world No 1 title up for grabs as Caroline Wozniacki eyes return to the top ahead of US Open | The Independent | The Independent
World No.1 trophy dedicated to Legend Chris Evert
From Grand Slam champ to World No.1, the rise of Iga Swiatek
Wimbledon 2014: World No 1 Serena Williams confirmed as top seed for women's draw | Tennis News | Sky Sports
Iga Swiatek Officially World No.1 in WTA Ranking After Superb Start to Year | Sports News Indiacom
With world number 1 Iga Swiatek virtually unknown to the general public- is tennis the most poorly marketed sport in the world?
Australian Tennis Player Ash Barty Is Currently Ranked Number One In The World
Caroline Wozniacki: Is She Really the No. 1 Women's Tennis Player in the World? | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
Caroline Wozniacki: Is She Really the No. 1 Women's Tennis Player in the World? | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
List of WTA number 1 ranked singles tennis players - Wikipedia
Australia's Ash Barty secures women's world No 1 ranking - Chinadaily.com.cn
Tennis: Naomi Osaka drops from world No. 1
Tennis: Poland's Iga Swiatek Becomes New World No 1
Australia's Ashleigh Barty Is Now the Number One Female Tennis Player
Iga Świątek seals world No. 1 spot, becoming first Pole to top tennis rankings | Notes From Poland
2019 WTA Tour - Wikipedia
Ash Barty confirms place in tennis elite after ending third straight year as world No 1 | Ash Barty | The Guardian
Ash Barty becomes Wolrd No 1 to break 43-year drought
Ashleigh Barty to become world No 1 after Birmingham win over Julia Görges | Ash Barty | The Guardian
Are Women's Tennis Rankings More Volatile than Men's Rankings? — DataBuckets
List of WTA number 1 ranked singles tennis players - Wikipedia
Best Women's Tennis Players In History - The Delite
