Nicolas Jara Lozano defeated Leonardo Kirche 6-1 7-6 in the Argentina F10 round of 16 on clay. The upset overturned the form book — Leonardo Kirche came in leading the head-to-head 1–0, but Nicolas Jara Lozano had been the form player, winning 6 of their last 10 on clay. Nicolas Jara Lozano claimed a first win over Leonardo Kirche in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-08-06 | Argentina F11 | R32 | clay | Leonardo Kirche | 6-4 6-3 |