Joana Pangaio Pereira defeated Jana Jandova 6-4 3-6 6-4 in the Porto 10K round of 16 on clay. The upset overturned the form book — Jana Jandova came in leading the head-to-head 1–0. Joana Pangaio Pereira claimed a first win over Jana Jandova in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-10-06 | Espinho 10K | R32 | clay | Jana Jandova | 5-7 7-6(5) 7-6(3) |