| Champ: | Cristian Garín |
| Runner: |  Matteo Berrettini |
| Score: | 6–1, 3–6, 7–6(7–1) |
| Type: | singles doubles |
| Draw: | 28 (4 / 3) |
| Seeds: | 8 |
| Before Name: | BMW Open – Singles |
| After Name: | BMW Open – Singles |
| After Year: | 2021 |
See main article: 2019 BMW Open.
Alexander Zverev was the two-time defending champion, but lost to Cristian Garín in the quarterfinals.[1]
Garín went on to win the title, defeating Matteo Berrettini in the final, 6–1, 3–6, 7–6(7–1).
The top four seeds received a bye into the second round.