Iga Świątek seals world No. 1 spot, becoming first Pole to top tennis rankings | Notes From Poland
Alcaraz, Ruud to play for world No. 1 ranking in 2022 US Open men's singles final - Official Site of the 2022 US Open Tennis Championships - A USTA Event
Photos: 2021's biggest ranking rises into the season-ending Top 50
Tennis Tours Debate Ranking Systems Frozen by the Coronavirus - The New York Times
ATP LIVE RANKINGS RACE. Nadal, Medvedev, Tsitsipas, Berrettini are the leaders after the Australian Open - Tennis Tonic - News, Predictions, H2H, Live Scores, stats
ATP Rankings: Roger Federer out of the top 10, Cameron Norrie into top 20, Andy Murray plunges - Tennis365