Martin Vilarrubi defeated Leonardo Kirche 7-6 7-6 in the Brazil F3 qualifying round on clay. The upset overturned the form book — Leonardo Kirche came in leading the head-to-head 1–0. Martin Vilarrubi claimed a first win over Leonardo Kirche in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-10-16 | Brazil F15 | R16 | clay | Leonardo Kirche | 6-4 6-2 |