- Roger Federer (born 8 August 1981) is a Swiss professional tennis player who is currently ranked world No. 3 in men's singles tennis by the Association of Tennis Professionals (ATP).
- He has won 20 Grand Slam singles titles—the most in history by a male player—and has held the world No. 1 spot in the ATP rankings for a record total of 310 weeks, including a record 237 consecutive weeks.
- After turning professional in 1998, he was continuously ranked in the top ten from October 2002 to November 2016.
- He is considered by many to be the greatest tennis player of all time.
- In majors, Federer has won a record eight Wimbledon titles, six Australian Open titles, five US Open titles (all consecutive, a record), and one French Open title.
- Federer has reached a record 31 men's singles Grand Slam finals, including 10 consecutively from the 2005 Wimbledon Championships to the 2007 US Open.
- Federer has also won a record six ATP Finals titles, 28 ATP Tour Masters 1000 titles, and a record 23 ATP Tour 500 titles.
- He is also the only player after Jimmy Connors to have won 100 or more career singles titles, as well as to amass 1,200 wins in the Open Era.
- Federer has received the tour Sportsmanship Award 13 times and been named the ATP Player of the Year and ITF World Champion five times.
- He has won the Laureus World Sportsman of the Year award a record five times, including four consecutive awards from 2005 to 2008.
- He is also the only person to have won the BBC Overseas Sports Personality of the Year award four times.