Serena Williams becomes oldest female world number one - BBC Sport
World No.1 Ashleigh Barty hopes 2020 will be golden year
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
Tennis: Naomi Osaka drops from world No. 1
Players attack 'sexist' Women's Tennis Association poll of best-dressed women at Wimbledon | The Independent | The Independent
Sabine Ellerbrock becomes new world No. 1
Iga Świątek seals world No. 1 spot, becoming first Pole to top tennis rankings | Notes From Poland
Emma Raducanu - Wikipedia
List of WTA number 1 ranked singles tennis players - Wikipedia
World No. 2 Sabalenka tests positive for COVID-19, out of Indian Wells | CBC Sports
Caroline Wozniacki: Is She Really the No. 1 Women's Tennis Player in the World? | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
Australia's Ash Barty secures women's world No 1 ranking - Chinadaily.com.cn
From Grand Slam champ to World No.1, the rise of Iga Swiatek
The Top 10 Greatest Women's Tennis Players of All Time - HowTheyPlay
Best tennis players in the world: From Roger Federer to Serena Williams
Iga Swiatek 1st Polish tennis player to top world rankings | CBC Sports
Tennis: Poland's Iga Swiatek Becomes New World No 1
The Top 10 Greatest Women's Tennis Players of All Time - HowTheyPlay
Australia's Ashleigh Barty Is Now the Number One Female Tennis Player
Venus becomes the first black player to become world No 1
17 of world's top 20 female players enter draw for $2.9m Dubai Tennis Championships | Arab News
WTA rankings - Wikipedia
Cardinals Enter Postseason 9th in Central Region - North Central College Athletics
List of WTA Number 1 Tennis Players - All World No.1s In History | STEVE G TENNIS
