Syna Schreiber defeated Lourdes Dominguez Lino 6-3 6-1 in the Gelos 25K round of 16 on clay. The upset overturned the form book — Lourdes Dominguez Lino came in leading the head-to-head 1–0, but Syna Schreiber had been the form player, winning 5 of their last 6 on clay. Syna Schreiber claimed a first win over Lourdes Dominguez Lino in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-09-13 | Otocec 25K | QF | clay | Lourdes Dominguez Lino | 6-3 6-7 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.