Matias Oneille defeated Gustavo Marcaccio 6-1 7-5 in the Argentina F3 round of 32 on clay. The result followed the form book — Matias Oneille came in leading the head-to-head 1–0. Matias Oneille extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-06-12 | Argentina 2 | R16 | clay | Matias Oneille | 6-4 7-6(3) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.