2017 Gerry Weber Open – Singles
| Singles | |
|---|---|
| 2017 Gerry Weber Open | |
| Champion |
 Roger Federer
|
| Runner-up |
 Alexander Zverev
|
| Final score | 6–1, 6–3 |
| Draw | 32 (4Q / 3WC) |
| Seeds | 8 |
Florian Mayer was the defending champion, but lost to Roger Federer in the quarterfinals.
Federer went on to win his 9th Halle Open title, defeating Alexander Zverev in the final, 6–1, 6–3.
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