The Tennis Purist: The Curious Case of Roger Federer
Roger Federer Calls for Greater Anti-Doping Investment in Tennis
Federer backs Sharapova doping ban | The Guardian Nigeria News - Nigeria and World News — Sport — The Guardian Nigeria News – Nigeria and World News
Roger Federer is retiring from tennis -- but his mark on the sport is indelible
Roger Federer Enters BNP Paribas Open with No. 1 World Ranking
Roger Federer frustrated by tennis' anti-doping programme – The Irish Times
Caught on camera: Federer doping : r/tennis
Federer will have better idea about injury return in April/May | Reuters
Roger Federer announces retirement from tennis
Federer wants more doping tests in tennis - SWI swissinfo.ch
Shocked Federer breaks silence on Sharapova doping scandal
Federer calls for more frequent doping tests
Roger Federer: We can do more to stop doping
Serena Williams takes on Roger Federer in legendary mixed doubles clash
Federer: 'Naive to think tennis is clean' | CNN
Roger Federer wants doping crackdown in wake of Maria Sharapova failing test | Roger Federer | The Guardian
Tennis: Dopage: Federer a été l'un des plus contrôlés en 2019 - Le Matin
Tennis on the right track in anti-doping fight - Federer
Federer Sneaks Past Evans Into 3rd Round at Australian Open - Perfect Tennis
Tennis Has a Doping Problem
Rafael Nadal and Roger Federer accused of doping by young tennis player
Roger Federer was tested for doping 29 times in 2019
