Oscar Rodriguez Arg defeated Eduardo Medica 7-5 6-4 in the Argentina B Masters 4 round of 32 on clay. The upset overturned the form book — Eduardo Medica came in leading the head-to-head 4–2. Oscar Rodriguez Arg narrowed the head-to-head to 4–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-05-02 | Chile 2 Masters 3 | QF | clay | Eduardo Medica | 7-6 4-6 7-6 |
| 1996-08-31 | Argentina 2 Masters 3 | R16 | clay | Eduardo Medica | 6-0 6-3 |
| 1995-04-28 | Portugal 2 Masters 1 | R32 | clay | Oscar Rodriguez Arg | 6-4 6-4 |
| 1995-04-28 | Portugal 2 Masters 4 | R16 | clay | Eduardo Medica | 6-3 7-5 |
| 1994-11-05 | Uruguay Paraguay Masters 1 | R32 | clay | Oscar Rodriguez Arg | 6-1 6-4 |
| 1994-04-16 | Argentina 1 Masters 4 | QF | clay | Eduardo Medica | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.