Andrei Medvedev defeated Albert Costa 2-6 6-3 6-4 in the Estoril round of 32 on clay. The upset overturned the form book — Albert Costa came in leading the head-to-head 2–1, defending the title. Andrei Medvedev narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-05-04 | Hamburg Masters | R64 | clay | Albert Costa | 6-3 1-6 7-6 |
| 1997-03-17 | Miami Masters | R32 | hard | Andrei Medvedev | 6-3 3-6 7-6 |
| 1995-04-03 | Estoril | QF | clay | Albert Costa | 6-2 6-3 |
Averages over each player's completed matches in the selected window (60 vs 200). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About