2018 German Open – Singles
| Singles | |
|---|---|
| 2018 German Open | |
| Champion | Nikoloz Basilashvili |
| Runner-up | Leonardo Mayer |
| Score | 6–4, 0–6, 7–5 |
| Draw | 32 |
| Seeds | 8 |
Leonardo Mayer was the defending champion, but lost in the final to Nikoloz Basilashvili, 4–6, 6–0, 5–7. This was Basilashvili's first ATP World Tour title, as well as the first ATP title won by a Georgian player since Alexander Metreveli.