Stacey Tan defeated Maria Fernanda Alvarez Teran 3-6 7-6 6-2 in the Laguna Nigel CA 25K round of 32 on hard. The upset overturned the form book — Maria Fernanda Alvarez Teran came in leading the head-to-head 1–0. Stacey Tan claimed a first win over Maria Fernanda Alvarez Teran in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-10-06 | San Luis Potosi 25K | R16 | hard | Maria Fernanda Alvarez Teran | 7-5 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.