Mariano Puerta defeated Dominik Hrbaty 6-3 2-6 6-4 in the Umag round of 32 on clay. The upset overturned the form book — Dominik Hrbaty came in leading the head-to-head 3–0, defending last year's quarter-final. Mariano Puerta claimed a first win over Dominik Hrbaty in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-09-13 | Mallorca | R16 | grass | Dominik Hrbaty | 7-6(5) 6-3 |
| 1999-01-04 | Adelaide | R32 | hard | Dominik Hrbaty | 4-6 6-1 7-5 |
| 1998-08-10 | San Marino | F | clay | Dominik Hrbaty | 6-2 7-5 |
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 (199 vs 200). ATP, WTA & Challenger.