Novak Djokovic: World number one hopeful for 'a positive result' on US tournaments participation | CNN
Djokovic equals Graf's world number one record
Roger Federer, 36, aims to become oldest world No.1 tennis player in history
Simona Halep provisionally suspended from tennis for doping | CTV News
Roger Federer Is World No. 1 Again Despite Not Playing for 2 Months
Alcaraz wins US Open and becomes youngest world number one | Tennis News | Al Jazeera
ATP rankings - Wikipedia
JAG WOMEN'S TENNIS DROPS TO FAU - University of South Alabama Athletics
Novak Djokovic equals Steffi Graf's record for most weeks as world number one - BBC Sport
Martín Landaluce, new junior world number 1 | Rafa Nadal Academy
Carlos Alcaraz vs. Frances Tiafoe result, score, highlights as Spanish teenager makes US Open final | Sporting News Australia
:focal(1355x470:1357x468)/origin-imgresizer.eurosport.com/2016/11/05/1964227-41280027-2560-1440.jpg "Andy Murray: Latest news and updates, net worth, age, coach, world ranking, ATP and Olympic success - Eurosport")
Andy Murray: Latest news and updates, net worth, age, coach, world ranking, ATP and Olympic success - Eurosport
List of ATP number 1 ranked singles tennis players - Wikipedia
World No. 1 Tennis Player Tests Corona Positive
Tennis-World number one Barty uncertain of schedule as Osaka closes in | Reuters
Mastercard Incorporated - Mastercard Adds World Number One Tennis Player Naomi Osaka to Global Sponsorship Portfolio
Best tennis players in the world: From Roger Federer to Serena Williams
List of WTA number 1 ranked singles tennis players - Wikipedia
No longer fighting to be world number one: Rafael Nadal | Deccan Herald
Novak Djokovic: World's number one tennis player to miss Miami Open due to vaccination status | CNN
Former world number one Halep provisionally suspended for doping | Reuters
US Open final between Alcaraz and Ruud will also determine world number one | Marca
Alcaraz wins US Open and becomes youngest world number one | Tennis News | Al Jazeera
