David Caballero defeated Oscar Hernandez 2-6 6-2 6-2 in the Spain 1 3 qualifying round on clay. The upset overturned the form book — Oscar Hernandez came in leading the head-to-head 1–0. David Caballero claimed a first win over Oscar Hernandez in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-01-08 | Spain 1 2 | R16 | clay | Oscar Hernandez | 6-0 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.