Gaston Gaudio defeated Eduardo Medica 6-1 7-6 in the Chile 1 Masters 3 qualifying round on clay. The upset overturned the form book — Eduardo Medica came in leading the head-to-head 5–2. Gaston Gaudio narrowed the head-to-head to 5–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-05-02 | Chile 2 Masters 4 | SF | clay | Eduardo Medica | 6-2 2-6 6-3 |
| 1998-04-04 | Chile 1 Masters 1 | F | clay | Eduardo Medica | 6-4 5-7 6-4 |
| 1998-04-04 | Chile 1 Masters 2 | SF | clay | Gaston Gaudio | 4-6 7-6 6-2 |
| 1997-10-04 | Argentina 2 Masters 4 | QF | clay | Gaston Gaudio | 3-6 6-1 6-3 |
| 1996-08-31 | Argentina 2 Masters 2 | SF | clay | Eduardo Medica | 6-0 6-4 |
| 1996-08-03 | Argentina 1 Masters 2 | QF | clay | Eduardo Medica | 7-6 6-4 |
| 1996-08-03 | Argentina 1 Masters 3 | SF | clay | Eduardo Medica | 7-5 6-0 |
Averages over each player's completed matches in the selected window (200 vs 6). 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