Diego Cristin defeated Daniel Wendler 6-1 6-0 in the Argentina F8 round of 32 on clay. The upset overturned the form book — Daniel Wendler came in leading the head-to-head 1–0. Diego Cristin claimed a first win over Daniel Wendler in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-09-05 | Argentina F10 | R16 | clay | Daniel Wendler | 2-6 7-6(3) 6-4 |