Karol Kucera defeated Pete Sampras 6-4 6-2 6-7 6-3 in the Australian Open quarter-final on hard. The upset overturned the form book — Pete Sampras came in leading the head-to-head 6–0, defending the title. Karol Kucera claimed a first win over Pete Sampras in seven meetings, narrowing the head-to-head to 6–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-01-15 | Australian Open | R128 | hard | Pete Sampras | 7-6(5) 3-6 6-4 7-6(3) |
| 2000-06-26 | Wimbledon | R64 | grass | Pete Sampras | 7-6(9) 3-6 6-3 6-4 |
| 1999-05-16 | Dusseldorf | RR | clay | Pete Sampras | 7-6(5) 4-6 6-2 |
| 1998-11-23 | Tour Finals | RR | hard | Pete Sampras | 6-2 6-1 |
| 1998-10-12 | Vienna | F | hard | Pete Sampras | 6-3 7-6(3) 6-1 |
| 1998-08-31 | US Open | QF | hard | Pete Sampras | 6-3 7-5 6-4 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.