| Champ: |  Petra Kvitová |
| Runner: |  Anett Kontaveit |
| Score: | 6–3, 7–6(7–2) |
| Draw: | 28 |
| Seeds: | 8 |
| Type: | singles doubles |
| After Year: | 2021 |
See main article: 2019 Porsche Tennis Grand Prix.
Karolína Plíšková was the defending champion,[1] but lost in the second round to Victoria Azarenka.
Petra Kvitová won the title, defeating Anett Kontaveit in the final, 6–3, 7–6(7–2).
Naomi Osaka retained the WTA no. 1 singles ranking by reaching the quarterfinals. Kvitová was also in contention for the top ranking at the beginning of the tournament.
The top four seeds received a bye into the second round.