Matias Oneille defeated Martin Stringari 6-3 4-6 6-4 in the Argentina F6 round of 32 on clay. The result followed the form book — Matias Oneille came in leading the head-to-head 2–0. Matias Oneille extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-07-31 | Argentina F8 | R16 | clay | Matias Oneille | 6-1 6-1 |
| 2000-05-01 | Chile F6 | QF | clay | Matias Oneille | 6-3 3-6 6-2 |