Mariano Albert Ferrando defeated Santiago Ventura 6-1 7-6 in the Spain 1 4 qualifying round on clay. The upset overturned the form book — Santiago Ventura came in leading the head-to-head 2–0. Mariano Albert Ferrando claimed a first win over Santiago Ventura in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-02-23 | Spain F4 | R16 | clay | Santiago Ventura | 7-6(3) 6-4 |
| 2001-03-05 | Spain 3 2 | QF | clay | Santiago Ventura | 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.