Constanze Stepan defeated Bojana Marinkovic 6-2 6-2 in the W15 Bucha 1 round of 16 on clay. The upset overturned the form book — Bojana Marinkovic came in leading the head-to-head 1–0. Constanze Stepan claimed a first win over Bojana Marinkovic in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-08-12 | W25+H Las Palmas De Gran Canaria | Q32 | clay | Bojana Marinkovic | 6-3 6-4 |