ATP Rankings 2019: Rafael Nadal No.1 men's player after overtaking Novak Djokovic | London Evening Standard | Evening Standard
Ranking of the top 150 male tennis players in the world for 2021 - Novak Djokovic Still No. 1 - CEOWORLD magazine
Nick Kyrgios Is Having a Very Good U.S. Open. Make That Summer. - The New York Times
ATP Rankings Shake-Up Ends Novak Djokovic's Record Reign: Data Viz – Sportico.com
List of ATP number 1 ranked singles tennis players - Wikipedia
Tennis-Alcaraz loses to Auger-Aliassime in first match as world No.1 | Sports-Games
Boys Tennis NJ.com Top 20 for Friday, April 8: Two new teams enter after a week of action - nj.com
List of the top-ranking French tennis players in 2022 | The best male and female athletes - Briefly.co.za
ATP rankings - Wikipedia
Rafael Nadal to become first tennis player to be ranked No.1 in 3 different decades | Fox News
Ash Barty confirms place in tennis elite after ending third straight year as world No 1 | Ash Barty | The Guardian
Top-ranked Indian tennis players at the end of 2021
Tennis world number ones in pictures: Here is every man to hold top spot since computer rankings were introduced | Novak Djokovic record, Roger Federer, Rafael Nadal, Daniil Medvedev, Carlos Alcaraz
Roger Federer creates history upon return to World No 1 | Sports News,The Indian Express
Top 10 Greatest Men's Tennis Players of All Time - HowTheyPlay
World No. 1 Tennis Player Tests Corona Positive
Dan Evans on rise to British number one from being unranked in April 2018 - BBC Sport
Alcaraz, Ruud to play for world No. 1 ranking in 2022 US Open men's singles final - Official Site of the 2023 US Open Tennis Championships - A USTA Event
Ash Barty's world number one ranking could be affected by WTA review of 'frozen' points system - ABC News
Rankings Roulette: What's the best way to determine who is No. 1?
Carlos Alcaraz becomes the youngest No. 1 men's tennis player with his U.S. Open win | Iowa Public Radio
Naomi Osaka grabs No. 1 women's tennis ranking with Australian Open victory - MarketWatch
List of WTA number 1 ranked singles tennis players - Wikipedia
