Diego Hipperdinger defeated Nicolas Jara Lozano 6-3 6-2 in the Argentina F18 round of 16 on clay. The upset overturned the form book — Nicolas Jara Lozano came in leading the head-to-head 1–0. Diego Hipperdinger claimed a first win over Nicolas Jara Lozano in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-09-24 | Argentina F16 | R32 | clay | Nicolas Jara Lozano | 6-3 6-3 |