File:Roger-Federer-Singles-Ranking-History-Chart-2018.png - Wikipedia
Datei:Roger-Federer-ATP-Ranking-Singles.jpg – Wikipedia
Federer Sampras Compare
Djokovic begins 311th career week at No. 1, breaking Federer's record
ATP List: Rafael Nadal in danger of losing No. 2 ranking to Roger Federer – Rafael Nadal Fans
Datei:Roger Federer - Meilensteine im ATP-Ranking.png – Wikipedia
Federer Ranking History
Data check: Why the world No 1 rank has switched 6 times between Federer and Nadal in 5 months
File:Novak-Djokovic-Singles-Ranking-History-Chart.png - Wikimedia Commons
First Among Equals: World No. 1 Record Breakers & Shakers | ATP Tour | Tennis
Roger Federer Secures No. 1 Ranking at Age 36 - The New York Times
Roger Federer, Rankings History, ATP Tour, atp live rankings women's - thirstymag.com
Roger Federer - Wikipedia
Atp live rankings - 1990 to 2022 -
Roger Federer, Rankings History, ATP Tour, atp live rankings women's
ATP TOP10 Players History since 1973 - Ranking by the total number of weeks - Upd. October 8, 2018 - YouTube
Where Does Roger Federer Rank In The History Of Tennis? - UBITENNIS
Roger Federer: The Longest World No. 1 | ATP Tour | Tennis
Record-breaking Federer returns to No. 1 - SWI swissinfo.ch
ATP ranking of No. 1 players since Federer : r/tennis
File:Evolution of Carlos Alcaraz VS that of the “Big three” in the ATP RANKING from 17 to 20 years old.png - Wikimedia Commons
Federer Ranking History
Roger Federer, Rankings History, ATP Tour, atp live rankings women's
Roger Federer Pursues the No. 1 Ranking Again. Why Not? - The New York Times
History
The day Roger Federer earned his first ranking points
Chart: Roger Federer Crowned Oldest No. 1 in Tennis at Age 36 | Statista
