WTA Rankings Update 2019: Barty the new No.1, Venus back in the Top 50
Chart: Roger Federer Crowned Oldest No. 1 in Tennis at Age 36 | Statista
Djokovic on course in Cincinnati - CNN.com
Tennis-World No.1 Djokovic unsure about going to Tokyo Games | Reuters
Novak Djokovic to lose men's world No. 1 rank to Daniil Medvedev | Sporting News
Wimbledon 2021: British No 1 Dan Evans expects Grand Slam to be very different this year | Tennis News | Sky Sports
Ash Barty, World's No. 1 Tennis Player, Retires at Age 25 – NBC Connecticut
Novak Djokovic Sets New All-Time Record For Weeks At No. 1 In FedEx ATP Rankings | ATP Tour | Tennis
World No.1 Ashleigh Barty hopes 2020 will be golden year
Roger Federer: Oldest Man to be World Number 1 in Tennis - Global Village Space
Shintaro Mochizuki becomes world No. 1 for juniors | The Japan Times
Nadal is No. 1 in the world forever. Djokovic, Federer not on his level' | Tennis News - Hindustan Times
Ashleigh Barty career statistics - Wikipedia
Cameron Norrie becomes British tennis number one after reaching Indian Wells semi-finals | ITV News
Who is Kyle Edmund? British Number 1 tennis ace revealed | Daily Mail Online
Top 10 Oldest No.1 Atp ranked player in tennis | SportzPoint
Future of Men's Tennis in Good Hands, Says World No. 1 Novak Djokovic
List of ATP number 1 ranked singles tennis players - Wikipedia
Russia's Daniil Medvedev to replace Novak Djokovic as world's No. 1 Tennis Player
List of ATP number 1 ranked singles tennis players - Wikipedia
Dan Evans on rise to British number one from being unranked in April 2018 - BBC Sport
List of WTA number 1 ranked singles tennis players - Wikipedia
Swiatek confirmed new women's world No. 1 in latest WTA rankings | Daily Sabah
