Pete Sampras defeated Felix Mantilla 6-4 3-6 6-2 in the Grand Slam Cup round of 16 on carpet. The upset overturned the form book — Felix Mantilla came in leading the head-to-head 2–1. Pete Sampras narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-05-06 | Rome Masters | R64 | clay | Felix Mantilla | 6-4 6-7(3) 6-3 |
| 2001-08-20 | Long Island | QF | hard | Pete Sampras | 7-5 6-3 |
| 1999-03-08 | Indian Wells Masters | R32 | hard | Felix Mantilla | 7-6(6) 3-6 6-3 |
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.