Following is a factbox on Roger Federer, who won his first U.S. Open title with a 6-0, 7-6, 6-0 victory over Australian Lleyton Hewitt on Sunday:

Born: August 8, 1981 in Basel, Switzerland

Age: 23

Residence: Oberwil, Switzerland

Height: 1.85 m

Weight: 80 kg

Turned professional: 1998

Plays: Right-handed

Grand Slam titles: Four (Wimbledon 2003, 2004; Australian Open 2004, U.S. Open 2004)

1998 - Reaches Toulouse quarter-final in second ATP event.

1999 - Youngest player to finish year in top 100.

2000 - Reaches first final, losing to countryman Marc Rosset in Marseille.

Loses bronze-medal match at Sydney Olympics to Arnaud Di Pasquale of France.

2001 - Finishes year as number one Swiss player.

Wins first title in Milan.

Reaches first Grand Slam quarter-final at French Open.

Follows up by reaching quarter-final at Wimbledon after ending Pete Sampras's 31-match winning streak at the All England Club in fourth round.

2002 - Wins titles in Sydney, Hamburg and Vienna.

Suffers shock first-round defeat at French Open and Wimbledon.

Helps Switzerland back into Davis Cup World Group with wins over Hicham Arazi and Younes El Aynaoui in Morocco.

Reaches semi-final of Tennis Masters Cup, losing to eventual winner Lleyton Hewitt.

2003 - Loses in the first round of the French Open for the second year in a row.

Becomes first Swiss man to win a Grand Slam by beating Mark Philippoussis to lift Wimbledon crown. Two days later he is presented with a milking cow named Juliette as a gift from tournament organisers in Gstaad.

Wins an ATP-high seven titles during the year, including the season-ending Masters Cup to finish 2003 ranked second in the world.

Splits from Swedish coach Peter Lundgren in December.

2004: Becomes 23rd man, and first Swiss, to top the ATP rankings after reaching the Australian Open final.

Wins his second Grand Slam title with victory over Marat Safin of Russia in the Melbourne Park final.

Wins titles in Dubai, Indian Wells, Hamburg and on grass at Halle before arriving at the All England Club.

Retains his Wimbledon crown with victory over Andy Roddick in the final and extends his winning streak on grass to 24 matches.

Follows up with consecutive titles in Gstaad, Switzerland and Toronto, taking his winning streak to 23 matches, the best since Pete Sampras managed 24.

Wins first U.S. Open title with a 6-0, 7-6, 6-0 victory over Hewitt to become the first player since Swede Mats Wilander in 1988 to win three Grand Slams in the same year.

Also the first man in the Open Era to win his first four Grand Slam finals.