Ignacio Gonzalez King defeated Matias Oneille 7-5 3-6 6-0 in the Bolivia F3 round of 16 on clay. Ignacio Gonzalez King extended the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-10-15 | Paraguay F2 | R32 | clay | Ignacio Gonzalez King | 6-4 7-6(11) |
| 1999-07-26 | Uruguay F2 | R16 | clay | Matias Oneille | 6-2 0-6 6-4 |
| 1999-05-29 | Argentina 1 Masters 1 | R32 | clay | Matias Oneille | 6-3 6-1 |
| 1999-04-19 | Argentina F1 | R32 | clay | Ignacio Gonzalez King | 6-4 6-3 |