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.
| 2018 IsarOpen | |
|---|---|
| Date | 6 August – 12 August |
| Edition | 1st |
| Surface | Clay |
| Location | Pullach, Germany |
| Champions | |
| Singles | |
 Pedro Sousa | |
| Doubles | |
 Sander Gillé / Joran Vliegen | |
Singles main-draw entrants
editSeeds
edit| Country | Player | Rank1 | 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 |
- 1 Rankings are as of 30 July 2018.
Other entrants
editThe 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
editSingles
edit
Pedro Sousa def. 
Jan-Lennard Struff 6–1, 6–3.
Doubles
edit
Sander Gillé / Joran Vliegen def. 
Simone Bolelli / Daniele Bracciali 6–2, 6–2.