Ana Clara Duarte defeated Carla Tiene 6-2 6-3 in the Valencia 10K semi-final on hard. The upset overturned the form book — Carla Tiene came in leading the head-to-head 2–0. Ana Clara Duarte claimed a first win over Carla Tiene in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-09-01 | Barueri 10K | SF | hard | Carla Tiene | 6-3 7-6(1) |
| 2006-10-30 | Santa Cruz 25K | R32 | clay | Carla Tiene | 7-5 6-3 |