Roger Federer says he is retiring from pro tennis at age 41 | Sports | northcentralpa.com
ATP Tour records: Most titles in tennis career (men's) | SportzPoint
Novak Djokovic Passes Rafael Nadal On 'Big Titles' Leaderboard | ATP Tour | Tennis
23 Grand Slam singles titles and more': Serena Williams' quarter-century tennis career | Tennis News
Roger Federer Retires: Tennis Legend Ends Career With 20 Grand Slam Titles | Entertainment Tonight
ATP Tour records: Most titles in tennis career (men's) | SportzPoint
Infographic: Roger Federer's career in charts | Infographic News | Al Jazeera
Nadal vs. Djokovic: head-to-head, grand slams, big titles, career records | The Week UK
Novak Djokovic Wins Wimbledon, U.S. Open is Next - The New York Times
I want to end my career with more titles but it's not an obsession for me - Rafael Nadal on Grand Slam race with Novak Djokovic
Most ATP singles titles 1968-2021 | Statista
List of Grand Slam men's singles champions - Wikipedia
Roger Federer Announces Retirement From Tennis – NBC Chicago
Rafael Nadal: Roger Federer's 20 Majors Feels Like a Neighbor Who Has a Bigger House
Federer will auction one of the 20 Grand Slam titles in his tennis career – Baltics News
Roger Federer's career in numbers as he announces lengthy lay-off | The Independent
Nadal, Djokovic, Williams, Federer: The 12 tennis stars with the most career titles
Carlos Alcaraz cements himself as hottest prospect in tennis with first career Masters 1000 title | CNN
Infographic: Roger Federer's career in charts | Infographic News | Al Jazeera
Nadal, Djokovic, Williams, Federer: The 12 tennis stars with the most career titles
Contemporary Dominance Secure, Federer Is Now Measured by the Ages - The New York Times
Roger Federer picks up 100th title in Dubai Championships
