Corina Mader defeated Helena Narmont 6-1 6-0 in the W15 Antalya 17 q16 on clay. The upset overturned the form book — Helena Narmont came in leading the head-to-head 1–0. Corina Mader claimed a first win over Helena Narmont in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-04-11 | W15 Monastir 13 | Q64 | hard | Helena Narmont | 6-1 6-4 |