Miha Gregorc defeated Antonio Ruiz Rosales 3-6 6-4 7-6 in the Mexico F16 round of 16 on hard. The upset overturned the form book — Antonio Ruiz Rosales came in leading the head-to-head 1–0. Miha Gregorc claimed a first win over Antonio Ruiz Rosales in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-10-03 | Mexico F13 | QF | hard | Antonio Ruiz Rosales | 5-7 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.