David Diaz Ventura defeated Jose Checa Calvo 6-3 7-6 in the Spain F21 semi-final on clay. The upset overturned the form book — Jose Checa Calvo came in leading the head-to-head 1–0. David Diaz Ventura claimed a first win over Jose Checa Calvo in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-11-01 | Spain F30 | R32 | clay | Jose Checa Calvo | 3-6 6-4 4-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.