Fourth-seeded Lucas Pouille defeated Feliciano López in the final, 4–6, 7–6(7–5), 6–4 to win the singles tennis title at the 2017 Stuttgart Open. Pouille saved a match point en route to the title, in the second round against Jan-Lennard Struff.
Dominic Thiem was the reigning champion, but chose not to participate this year.
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
References
External links Main draw Qualifying draw