Dan Evans on rise to British number one from being unranked in April 2018 - BBC Sport
ATP Rankings 2019: Rafael Nadal No.1 men's player after overtaking Novak Djokovic | London Evening Standard | Evening Standard
List of WTA Number 1 Tennis Players - All World No.1s In History | STEVE G TENNIS
Top 10 Oldest No.1 Atp ranked player in tennis | SportzPoint
Tennis: Naomi Osaka drops from world No. 1
WORLD NO.1 RECORD. Djokovic equals WTA tennis legend - Tennis Tonic - News, Predictions, H2H, Live Scores, stats
The complete history of every No. 1 male tennis player - SWI swissinfo.ch
Australia's Ashleigh Barty Is Now the Number One Female Tennis Player
Carlos Alcaraz becomes the youngest No. 1 men's tennis player with his U.S. Open win | KOSU
PROFILE - Carlos Alcaraz: Youngest World No. 1 in men's tennis
Tennis Masters Series singles records and statistics - Wikipedia
Nadal, Alcaraz among five men fighting for world No. 1 ranking at 2022 US Open - Official Site of the 2023 US Open Tennis Championships - A USTA Event
Aim to get into top 50 in coming year: India's no 1 singles tennis player Gunneswaran | The News Minute
Future of Men's Tennis in Good Hands, Says World No. 1 Novak Djokovic
Ash Barty confirms place in tennis elite after ending third straight year as world No 1 | Ash Barty | The Guardian
List of WTA number 1 ranked singles tennis players - Wikipedia
Roger Federer creates history upon return to World No 1 | Sports News,The Indian Express
Poland's Iga Swiatek becomes new No. 1 in women's tennis | The Manila Times
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
Novak Djokovic to lose men's world No. 1 rank to Daniil Medvedev | Sporting News
Tennis-World No.1 Djokovic unsure about going to Tokyo Games | Reuters
Who is the world No.1 in women's tennis? Updated WTA rankings and explainer | Sporting News
Chart: Roger Federer Crowned Oldest No. 1 in Tennis at Age 36 | Statista
