Beatriz Haddad Maia defeated Donna Vekic 4-6 6-4 6-3 in the Prague qualifying final on hard. The upset overturned the form book — Donna Vekic came in ranked #76. Beatriz Haddad Maia extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-10-09 | Tianjin | R32 | hard | Beatriz Haddad Maia | 6-7(4) 6-4 6-2 |
| 2017-08-28 | US Open | R128 | hard | Donna Vekic | 6-2 6-1 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.