Carlos Rexach Itoiz defeated Augustin Gensse 4-6 6-4 6-1 in the Spain F12 round of 32 on clay. The upset overturned the form book — Augustin Gensse came in leading the head-to-head 1–0. Carlos Rexach Itoiz claimed a first win over Augustin Gensse in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-08-01 | Spain F18 | SF | clay | Augustin Gensse | 6-1 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.