Tennis-Ten landmark matches in the career of Roger Federer

Switzerland's Roger Federer celebrates after beating Pete Sampras of the U.S in their fourth round match at the Wimbledon Championships July 2, 2001. Federer beat Sampras 7-6 5-7 6-4 6-7 7-5. dc/AA

(Reuters) - Roger Federer said he will retire from competitive tennis following next week's Laver Cup in London. Following are 10 landmark matches from the 20-times Grand Slam champion's career:

2001 - WIMBLEDON VICTORY OVER SAMPRAS