First Among Equals: World No. 1 Record Breakers & Shakers | ATP Tour | Tennis
Swiatek confirmed new women's world No. 1 in latest WTA rankings | Daily Sabah
Novak Djokovic takes No.1 spot back from Carlos Alcaraz | Tennis News - Times of India
Iga Świątek seals world No. 1 spot, becoming first Pole to top tennis rankings | Notes From Poland
Indian Tennis: Sasikumar Mukund – the reluctant No 1
WTA Rankings: Iga Swiatek Becomes New World Number One
Sania creates history, becomes World No.1 in doubles rankings - India Today
ATP rankings - Wikipedia
Manas Dhamne becomes the World No.1 in the Under 14 UTR Rankings
Alcaraz jumps Djokovic, returns to No. 1 in ATP rankings; Medvedev No. 2; Swiatek leads WTA | AP News
Understanding Women's Tennis Rankings #1 - Singapore Tennis Lessons
ATP Rankings 2019: Rafael Nadal No.1 men's player after overtaking Novak Djokovic | London Evening Standard | Evening Standard
Carlos Alcaraz youngest year-end No. 1 in ATP rankings | AP News
9 players who were at the top of the ATP rankings for 100 or more weeks ft. Novak Djokovic and Rafael Nadal
Tennis: Osaka set to regain world No. 1 ranking
Medvedev becomes new tennis No. 1, up for rematch with Nadal | Daily Sabah
Chart: Roger Federer Crowned Oldest No. 1 in Tennis at Age 36 | Statista
New UTR ratings reignite Alcaraz v Djokovic world No 1 debate
Novak Djokovic breaks record for most weeks ranked No. 1 - oregonlive.com
Medvedev dethrones Djokovic to become World No 1 - Articles
Tennis: Naomi Osaka returns to WTA world No. 1 ranking
Who is the world No.1 in men's tennis? Updated ATP rankings and explainer | Sporting News
Tennis: Naomi Osaka drops from world No. 1
Rankings Watch: Barty extends stay at top, Hsieh regains Doubles No.1
Tennis rankings: Alcaraz is youngest No. 1; Serena Williams jumps 284 spots - UPI.com
