Alex Calatrava defeated Pete Sampras 6-7 6-3 6-4 in the Hamburg Masters round of 64 on clay. The upset overturned the form book — Pete Sampras came in leading the head-to-head 1–0, defending last year's round of 32. Alex Calatrava claimed a first win over Pete Sampras in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-04-27 | Atlanta | SF | hard | Pete Sampras | 7-6(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 (101 vs 92). ATP, WTA & Challenger.