Carlos Alcaraz youngest year-end No. 1 in ATP rankings | AP News
List of ATP number 1 ranked singles tennis players - Wikipedia
Roger Federer and Novak Djokovic Battle for No. 1 Ranking - The New York Times
Men's ATP rankings top 50 players 2022 | Statista
Who is the world No. 1 in men's tennis? Updated ATP rankings and explainer | Sporting News India
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
British number one Norrie finding his feet on grass ahead of Wimbledon | Reuters
World No. 1 Tennis Player Tests Corona Positive
Medvedev will become world number one after Djokovic's defeat at Dubai Open
Tennis-World number one Barty uncertain of schedule as Osaka closes in | Reuters
5 things to know about Carlos Alcaraz, the teen who is world number one after US Open victory
Nadal: 'Number one ranking no longer the fight' - Sportstar
Garbiñe Muguruza crowned the world's number one tennis player | BBVA
List of ATP number 1 ranked singles tennis players - Wikipedia
Ukraine's Snigur stuns former number one Halep in first round | Reuters
Djokovic and Other Top Men Are Creating a Players' Association - The New York Times
World No.1 Ashleigh Barty hopes 2020 will be golden year
Ash Barty keeps tennis world No 1 ranking despite missing grand slams | Ash Barty | The Guardian
Alcaraz beats Cilic and could become youngest ever world number one: What does he need to achieve it? | Marca
Medvedev replaces Djokovic as world number one
Dan Evans on rise to British number one from being unranked in April 2018 - BBC Sport
Djokovic to clinch record seventh year-end number one spot | Reuters
:focal(1129x663:1131x661)/origin-imgresizer.eurosport.com/2018/02/16/2272563-47350050-2560-1440.jpg "Federer becomes oldest ATP world number one - Eurosport")
Federer becomes oldest ATP world number one - Eurosport
/cloudfront-us-east-1.images.arcpublishing.com/gray/S65TKVF6T5ARTATUGMDN7ZJ4CI.jpg "Defending champion Madison Keys, World #1 Ashleigh Barty headline Volvo Car Open field")
Defending champion Madison Keys, World #1 Ashleigh Barty headline Volvo Car Open field
Roger Federer creates history upon return to World No 1 | Sports News,The Indian Express
