Eduardo Medica defeated Matias Oneille 4-6 7-6 6-1 in the Argentina 4 round of 16 on clay. Eduardo Medica extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-09-18 | Brazil F1 | R32 | clay | Matias Oneille | 0-6 6-3 6-2 |
| 2000-02-26 | Chile F2 | QF | clay | Eduardo Medica | 6-3 6-1 |