List of ATP number 1 ranked singles tennis players - Wikipedia
Carlos Alcaraz becomes the youngest No. 1 men's tennis player with his U.S. Open win | Iowa Public Radio
ATP Rankings Shake-Up Ends Novak Djokovic's Record Reign: Data Viz – Sportico.com
Swiatek spends 2nd week as world number 1
Tennis Masters Series singles records and statistics - Wikipedia
Tennis: Serena Williams equals Steffi Graf's record for most consecutive weeks as the world No. 1
Tennis-World No.1 Djokovic unsure about going to Tokyo Games | Reuters
List of WTA number 1 ranked singles tennis players - Wikipedia
Future of Men's Tennis in Good Hands, Says World No. 1 Novak Djokovic
Roger Federer Is World No. 1 Again Despite Not Playing for 2 Months
Roger Federer, 36, aims to become oldest world No.1 tennis player in history
Official Site of the 2023 US Open Tennis Championships - A USTA Event
List of WTA Number 1 Tennis Players – All World No.1s In History | STEVE G TENNIS
Nadal is No. 1 in the world forever. Djokovic, Federer not on his level' | Tennis News - Hindustan Times
Ash Barty confirms place in tennis elite after ending third straight year as world No 1 | Ash Barty | The Guardian
Naomi Osaka set to return to WTA World No.1 ranking
Novak Djokovic Officially Returns To World No. 1 In Men's Tennis
2019 WTA Tour - Wikipedia
Aim to get into top 50 in coming year: India's no 1 singles tennis player Gunneswaran | The News Minute
World No. 1 Tennis Player Tests Corona Positive
Swiatek confirmed new women's world No. 1 in latest WTA rankings | Daily Sabah
Alcaraz, Ruud to play for world No. 1 ranking in 2022 US Open men's singles final - Official Site of the 2023 US Open Tennis Championships - A USTA Event
