| 2018 IsarOpen | |
|---|---|
| Date | 6 August – 12 August |
| Edition | 1st |
| Surface | Clay |
| Location | Pullach, Germany |
| Champions | |
| Singles | |
 Pedro Sousa | |
| Doubles | |
 Sander Gillé / Joran Vliegen | |
The 2018 IsarOpen was a professional tennis tournament played on clay courts. It was the 1st edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Pullach, Germany between 6 August and 12 August 2018.