ATP Tour on Twitter: "✓@ATPCup 🏆 ✓@AustralianOpen 🏆 ✓Perfect 13-0 match record @DjokerNole has returned to No. 1 in the FedEx ATP Rankings. https://t.co/nHQodfqoNC" / Twitter
Djokovic Soars Into Thick Of ATP Race To London | ATP Tour | Tennis
ATP Issues Updated 2020 Provisional Calendar | ATP Tour | Tennis
2020 ATP race to London – Updated standings
ATP Finals - Wikipedia
Rankings | Pepperstone ATP Rankings | ATP Tour | Tennis
The race for ATP Finals 2020 qualification
2020 ATP race to London – Updated standings
ATP rankings - Wikipedia
Groups Are Set For 2020 Nitto ATP Finals | ATP Tour | Tennis
Methodology | Pew Research Center
2020 ATP Tour - Wikipedia
ATP Race to Turin hots up in Seoul, Sofia and Tel Aviv
ATP Race to Turin update: Norrie climbs after first title
TennisExplorer.com on Twitter: "This is the top 20 men in the ATP Rankings: https://t.co/b4TP74sqpf #Rankings #ATP https://t.co/81OSltTKNT" / Twitter
Open Era Rankings on Twitter: "⚡️ TOP 20 List that includes only 2020 points (now available in the ATP Race option): https://t.co/AAj0dRlVM7" / Twitter
ATP Rankings Report – Nov. 2, 2020 – Open Court
ATP Race to London: Roger Federer falls behind Gael Monfils, Rublev. Novak Djokovic..
Diferentes ranking ATP y Carrera ATP Finals en 2021