2019 MercedesCup – Singles
| Singles | |
|---|---|
| 2019 MercedesCup | |
| Champion | Matteo Berrettini |
| Runner-up | Félix Auger-Aliassime |
| Score | 6–4, 7–6(13-11) |
| Draw | 28 (4 Q / 3 WC ) |
| Seeds | 8 |
Roger Federer was the defending champion, but chose not to participate this year.
Matteo Berrettini won the title, defeating Félix Auger-Aliassime in the final, 6–4, 7–6(13-11). Berrettini did not lose serve through 50 service games in the tournament.