2019 MercedesCup – Singles
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.

Seeds
The top four seeds receive a bye into the second round.

Draw

Finals

Top half

Bottom half

Qualifying

Seeds

Qualifiers

Qualifying draw

First qualifier

Second qualifier

Third qualifier

Fourth qualifier