| 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.
Singles main-draw entrants
Seeds
| Country | Player | Rank | Seed |
|---|---|---|---|
 GER
|
Jan-Lennard Struff | 56 | 1 |
 CZE
|
Jiří Veselý | 89 | 2 |
 EST
|
Jürgen Zopp | 96 | 3 |
 ITA
|
Paolo Lorenzi | 110 | 4 |
 SVK
|
Martin Kližan | 112 | 5 |
| GER |
|||
 NOR
|
Casper Ruud | 138 | 7 |
| ITA
|
Simone Bolelli | 144 | 8 |
- Rankings are as of 30 July 2018.
Other entrants
The following players received wildcards into the singles main draw:
The following players received entry into the singles main draw as special exempts:
The following players received entry from the qualifying draw:
The following players received entry as lucky losers:
Champions
Singles
Main article: 2018 IsarOpen – Singles- Pedro Sousa def. Jan-Lennard Struff 6–1, 6–3.
Doubles
Main article: 2018 IsarOpen – Doubles- Sander Gillé / Joran Vliegen def. Simone Bolelli / Daniele Bracciali 6–2, 6–2.