Alicia Ortuno defeated Lydia Steinbach 6-1 7-6 in the Vaihingen 25K round of 16 on clay. The upset overturned the form book — Lydia Steinbach came in leading the head-to-head 1–0. Alicia Ortuno claimed a first win over Lydia Steinbach in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-09-27 | Oporto 25K | R32 | clay | Lydia Steinbach | 6-1 4-6 6-0 |