Jose Acasuso defeated Matias Oneille 6-3 6-4 in the Argentina F1 qualifying round on clay. The result followed the form book — Jose Acasuso came in leading the head-to-head 1–0. Jose Acasuso extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-07-19 | Uruguay F1 | QF | clay | Jose Acasuso | 6-3 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.