Naomi Osaka grabs No. 1 women's tennis ranking with Australian Open victory - MarketWatch
Dan Evans on rise to British number one from being unranked in April 2018 - BBC Sport
Who is Kyle Edmund? British Number 1 tennis ace revealed | Daily Mail Online
Australian Tennis Player Ash Barty Is Currently Ranked Number One In The World
World No.1 Tennis player Novak Djokovic and wife test positive for Coronavirus, will remain in self-isolation for next 14 days
Iga Świątek seals world No. 1 spot, becoming first Pole to top tennis rankings | Notes From Poland
Novak Djokovic to lose men's world No. 1 rank to Daniil Medvedev | Sporting News
Roger Federer: Oldest Man to be World Number 1 in Tennis - Global Village Space
List of ATP number 1 ranked singles tennis players - Wikipedia
Ash Barty, World's No. 1 Tennis Player, Retires at Age 25 – NBC Connecticut
WORLD NO.1 RECORD. Djokovic equals WTA tennis legend - Tennis Tonic - News, Predictions, H2H, Live Scores, stats
WTA Rankings Update 2019: Barty the new No.1, Venus back in the Top 50
Cameron Norrie becomes British tennis number one after reaching Indian Wells semi-finals | ITV News
List of WTA Number 1 Tennis Players - All World No.1s In History | STEVE G TENNIS
Nadal is No. 1 in the world forever. Djokovic, Federer not on his level' | Tennis News - Hindustan Times
Shintaro Mochizuki becomes world No. 1 for juniors | The Japan Times
Future of Men's Tennis in Good Hands, Says World No. 1 Novak Djokovic
Djokovic on course in Cincinnati - CNN.com
Novak Djokovic Sets New All-Time Record For Weeks At No. 1 In FedEx ATP Rankings | ATP Tour | Tennis
Russia's Daniil Medvedev to replace Novak Djokovic as world's No. 1 Tennis Player
Ashleigh Barty career statistics - Wikipedia
List of ATP number 1 ranked singles tennis players - Wikipedia
Men's World No 1 Tennis Player Tests Positive For Coronavirus
Medvedev will become world number one after Djokovic's defeat at Dubai Open
Tennis: Naomi Osaka drops from world No. 1
