Javier Valenzuela Gonzalez defeated Arnau Dachs 6-4 6-2 in the Spain F23 round of 32 on hard. The upset overturned the form book — Arnau Dachs came in leading the head-to-head 1–0. Javier Valenzuela Gonzalez claimed a first win over Arnau Dachs in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-09-13 | Spain F33 | R32 | hard | Arnau Dachs | 6-4 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.