Javier Perez Vazquez defeated Orest Tereshchuk 6-4 6-4 in the Spain 4 3 round of 16 on clay. The upset overturned the form book — Orest Tereshchuk came in leading the head-to-head 1–0. Javier Perez Vazquez claimed a first win over Orest Tereshchuk in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-04-09 | Spain 4 4 | QF | clay | Orest Tereshchuk | 7-5 6-2 |