Bopanna set to become oldest world No. 1 after reaching maiden Australian Open semi-final - The Hindu
Carlos Alcaraz Regains World No. 1 Ranking After Indian Wells Win | KVCR News
Why Serena Williams Is No. 1 In New Universal Tennis Ranking Backed By Larry Ellison
Indian tennis star Rohan Bopanna achieves historic World No. 1 ranking in doubles at 43 - PUNE PULSE
Who is the world No.1 in women's tennis? Updated WTA rankings and explainer after Australian Open | Sporting News
Shocking! India's No. 1 tennis player Sumit Nagal has no money! - Rediff.com
ATP Rankings 2019: Rafael Nadal No.1 men's player after overtaking Novak Djokovic | London Evening Standard | Evening Standard
Naomi Osaka set to return to WTA World No.1 ranking
Carlos Alcaraz becomes the youngest No. 1 men's tennis player with his U.S. Open win | WAMU
How Tennis's Flawed Ranking System Made Andy Murray World No. 1
Djokovic secures year-end No. 1 ranking for record-extending eighth time
Novak Djokovic to lose ATP top ranking to Daniil Medvedev after Dubai loss
World No.1 Ashleigh Barty hopes 2020 will be golden year
Medvedev's No. 1 Tennis Ranking Ends Djokovic's Record Reign: Data Viz
Naomi Osaka grabs No. 1 women's tennis ranking with Australian Open victory - MarketWatch
Australian tennis player Ash Barty, world women's No. 1, retires at age 25 - UPI.com
Wimbledon 2014: World No 1 Serena Williams confirmed as top seed for women's draw | Tennis News | Sky Sports
ATP rankings - Wikipedia
World No. 1 Tennis Player Tests Corona Positive, player number one - thirstymag.com
List of ATP number 1 ranked singles tennis players - Wikipedia
Venus becomes the first black player to become world No 1
