Natalie Augustinova defeated Aline Thommen 7-6 6-3 in the W15 Antalya 27 q16 on clay. The upset overturned the form book — Aline Thommen came in leading the head-to-head 1–0. Natalie Augustinova claimed a first win over Aline Thommen in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-04-08 | W15 Tabarka 6 | QF | clay | Aline Thommen | 3-6 6-0 10-6 |