Tatjana Maria defeated Carina Witthoeft 7-6 6-3 in the Mallorca round of 16 on grass. The upset overturned the form book — Carina Witthoeft came in leading the head-to-head 3–1. Tatjana Maria narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-03-19 | Miami | R128 | hard | Carina Witthoeft | 6-3 6-4 |
| 2018-02-12 | Doha | R64 | hard | Carina Witthoeft | 6-3 6-0 |
| 2016-01-04 | Auckland | R32 | hard | Carina Witthoeft | 6-2 7-6(3) |
| 2015-04-27 | Marrakech | R32 | clay | Tatjana Maria | 6-3 6-2 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.