Pedro Clar Rossello defeated Andrea Arnaboldi 6-4 6-4 in the Croatia F10 qualifying round on clay. The upset overturned the form book — Andrea Arnaboldi came in leading the head-to-head 1–0. Pedro Clar Rossello claimed a first win over Andrea Arnaboldi in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-09-19 | Spain F25 | R32 | hard | Andrea Arnaboldi | 6-2 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.