Ashleigh Barty: World number one makes shock call to quit tennis - BBC News
Roger Federer Is World No. 1 Again Despite Not Playing for 2 Months
Novak Djokovic equals Steffi Graf's record for most weeks as world number one - BBC Sport
Former world number one Halep provisionally suspended for doping | Reuters
World number one Iga Świątek goes down to Jessica Pegula in upset loss at United Cup - ABC News
Carlos Alcaraz Takes World No. 1 Ranking Into The Miami Open - The New York Times
World number one tennis player Ash Barty retires at 25 - BusinessToday
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
Australia's Ashleigh Barty Is Now the Number One Female Tennis Player
Nadal: 'Number one ranking no longer the fight' - Sportstar
Tennis-World number one Barty uncertain of schedule as Osaka closes in | Reuters
Medvedev replaces Djokovic as world number one
World No.1 Ashleigh Barty hopes 2020 will be golden year
Iga Świątek seals world No. 1 spot, becoming first Pole to top tennis rankings | Notes From Poland
: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
Tennis: Barty a win away from world number one | Reuters.com
ATP rankings - Wikipedia
Alcaraz wins US Open and becomes youngest world number one | Tennis News | Al Jazeera
JAG WOMEN'S TENNIS DROPS TO FAU - University of South Alabama Athletics
US Open final between Alcaraz and Ruud will also determine world number one | Marca
Novak Djokovic: World number one hopeful for 'a positive result' on US tournaments participation | CNN
Carlos Alcaraz vs. Frances Tiafoe result, score, highlights as Spanish teenager makes US Open final | Sporting News Australia
Alcaraz beats Cilic and could become youngest ever world number one: What does he need to achieve it? | Marca
Roger Federer, 36, aims to become oldest world No.1 tennis player in history
World No. 1 Tennis Player Tests Corona Positive
