The 2018 Prosperita Open was a professional tennis tournament played on clay courts. It was the 15th edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Ostrava, Czech Republic between 30 April and 6 May.
| 2018 Prosperita Open | |
|---|---|
| Date | 30 April – 6 May |
| Edition | 15th |
| Draw | 32S / 16D |
| Surface | Clay |
| Location | Ostrava, Czech Republic |
| Champions | |
| Singles | |
 Arthur De Greef | |
| Doubles | |
 Attila Balázs /  Gonçalo Oliveira | |
Singles main-draw entrants edit
Seeds edit
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| BEL
|
Ruben Bemelmans | 107 | 1 |
 UKR
|
Sergiy Stakhovsky | 122 | 2 |
| HUN
|
Attila Balázs | 163 | 3 |
 FRA
|
Gleb Sakharov | 187 | 4 |
| FRA
|
Benjamin Bonzi | 198 | 5 |
| POR
|
Gonçalo Oliveira | 212 | 6 |
 CZE
|
Adam Pavlásek | 218 | 7 |
 IND
|
Sumit Nagal | 219 | 8 |
- 1 Rankings are as of 23 April 2018.
Other entrants edit
The following players received wildcards into the singles main draw:
Marek Gengel- Dominik Kellovský
- Patrik Rikl
- Matěj Vocel
The following players received entry from the qualifying draw:
Champions edit
Singles edit
Arthur De Greef def. 
Nino Serdarušić 4–6, 6–4, 6–2.
Doubles edit
Attila Balázs / 
Gonçalo Oliveira def. Lukáš Rosol / 
Sergiy Stakhovsky 6–0, 7–5.