Alberto Berasategui defeated Marcelo Rios 6-4 6-1 in the Hamburg Masters round of 16 on clay. The upset overturned the form book — Marcelo Rios came in leading the head-to-head 4–0. Alberto Berasategui claimed a first win over Marcelo Rios in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-05-24 | Roland Garros | R16 | clay | Marcelo Rios | 3-6 3-6 6-3 6-4 6-3 |
| 1999-05-17 | St. Poelten | R16 | clay | Marcelo Rios | 7-6(4) 6-2 |
| 1998-01-19 | Australian Open | QF | hard | Marcelo Rios | 6-7(6) 6-4 6-4 6-0 |
| 1997-05-12 | Rome Masters | SF | clay | Marcelo Rios | 6-3 3-6 6-1 |
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 (177 vs 200). ATP, WTA & Challenger.