Orest Tereshchuk defeated Javier Perez Vazquez 7-5 6-2 in the Spain 4 4 qualifying round on clay. The upset overturned the form book — Javier Perez Vazquez came in leading the head-to-head 1–0. Orest Tereshchuk claimed a first win over Javier Perez Vazquez in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-04-09 | Spain 4 3 | R16 | clay | Javier Perez Vazquez | 6-4 6-4 |