Federer torna numero 1. È storia ancora una volta. Rotterdam teatro del record
Roger Federer - Wikipedia
El jugador más semanas número 1 del Tenis – El Gurú del deporte
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Federer Regains World Number One Ranking After Kyrgios Win – Channels Television
Roger Federer - Wikipedia
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List of ATP number 1 ranked singles tennis players - Wikipedia
Roger Federer - 310 Weeks at Number 1 - Love Tennis Blog
Tennis news: Roger Federer's true relationship with Novak Djokovic
Roger Federer: Oldest Man to be World Number 1 in Tennis - Global Village Space
Roger Federer Secures No. 1 Ranking at Age 36 - The New York Times
Federer back at No. 1 in rankings ahead of Nadal - NBC Sports
Ex numero 1 ATP: "Vi assicuro che a Wimbledon sarà un Roger Federer diverso"
Roger Federer è il nuovo numero 1 del mondo! - Tennis Circus
Roger Federer: The Longest World No. 1 | ATP Tour | Tennis
Ex numero 1 ATP: "La longevità ha reso Roger Federer un atleta senza eguali"
Roger Federer, nuevo número 1 del tenis mundial | Deportes | EL PAÍS
ATP Rankings: Roger Federer is the world number 1 for the fifth time!
ATP Rankings: Rafael Nadal dethrones Roger Federer to take numero uno spot again
February 2, 2004: Roger Federer becomes world number 1 for the first time
Tennis: Is this the end for tennis' Big Three? | Marca
