Tennis: Naomi Osaka drops from world No. 1
Roger Federer, 36, aims to become oldest world No.1 tennis player in history
Aryna Sabalenka reveals initial reaction to new No. 1 ranking at US Open – NBC New York
World No.1 record in the bag, Djokovic focuses on more majors | Sports | China Daily
Swiatek confirmed new women's world No. 1 in latest WTA rankings | Daily Sabah
Iga Swiatek poised to become world No. 1 after Ash Barty's retirement
Aryna Sabalenka reveals initial reaction to new No. 1 ranking at US Open – NBC New York
Djokovic retakes No. 1; Sinner, Kvitova inside Top 10 in world tennis rankings - UPI.com
Novak Djokovic: World's number one tennis player to miss Miami Open due to vaccination status | CNN
Novak Djokovic loses World No.1 ranking in 'unbelievable' drama - Yahoo Sport
List of ATP number 1 ranked singles tennis players - Wikipedia
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
Who is the world No.1 in men's tennis? Updated ATP rankings and explainer after Australian Open | Sporting News
Sania Mirza officially crowned World No.1 in doubles - The Economic Times
World No.1 Ashleigh Barty hopes 2020 will be golden year
How Iga Swiatek became the WTA World No. 1 - Tennis Majors
Alcaraz Poised To Reclaim World No. 1; Can He Extend Lead Over Djokovic? | ATP Tour | Tennis
Djokovic, Tsitsipas & Alcaraz Remaining Contenders For World No. 1 | ATP Tour | Tennis
Wimbledon 2014: World No 1 Serena Williams confirmed as top seed for women's draw | Tennis News | Sky Sports
List of Grand Slam men's singles champions - Wikipedia
By the numbers: The 2021 year-end WTA Rankings
Australia's Ashleigh Barty Is Now the Number One Female Tennis Player
ATP rankings - Wikipedia
Carlos Alcaraz Regains World No. 1 Ranking After Indian Wells Win | KVCR News
List of ATP number 1 ranked singles tennis players - Wikipedia
Novak Djokovic to end the year as male world no. 1 tennis player - Daily Guardian
Ash Barty confirms place in tennis elite after ending third straight year as world No 1 | Ash Barty | The Guardian
World No 1 woman tennis player Ash Barty announces shock retirement at 25 : The Tribune India
