# 2018 Prosperita Open – Singles

Stefano Travaglia was the defending champion but chose not to defend his title.
Arthur De Greef won the title after defeating Nino Serdarušić 4–6, 6–4, 6–2 in the final.

## Seeds

* Ruben Bemelmans (first round)
* Sergiy Stakhovsky (first round)
* Attila Balázs (first round)
* Gleb Sakharov (first round)
* Benjamin Bonzi (first round)
* Gonçalo Oliveira (first round)
* Adam Pavlásek (second round)
* Sumit Nagal (first round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| Nino Serdarušić | 3 | 7 | 6 | | | | |
| Grégoire Barrère | 6 | 5 | 1 | | | | |
| Grégoire Barrère | 6 | 5 | 1 | Nino Serdarušić | 6 | 4 | 2 |
| | | | | Arthur De Greef | 4 | 6 | 6 |
| Matteo Donati | 6$^3$ | 4 | | Arthur De Greef | 4 | 6 | 6 |
| Arthur De Greef | 7$^7$ | 6 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | R Bemelmans | 1 | 1 | | | | | | | | | | | | |
| | V Millot | 6 | 6 | | V Millot | 5 | 0$^r$ | | | | | | | | |
| | N Serdarušić | 6 | 7 | | N Serdarušić | 7 | 3 | | | | | | | | |
| | L Rosol | 4 | 5 | | | | | | N Serdarušić | 6 | 6 | | | | |
| | A Hoang | 6 | 6$^4$ | 6 | | | | | T Brkić | 3 | 2 | | | | |
| WC | Matěj Vocel | 2 | 7$^7$ | 2 | A Hoang | 5 | 6 | 3 | | | | | | | |
| | T Brkić | 6 | 3 | 6 | T Brkić | 7 | 4 | 6 | | | | | | | |
| 8 | S Nagal | 4 | 6 | 1 | | | | | | | | N Serdarušić | 3 | 7 | 6 |
| 4 | G Sakharov | 2 | 1 | | | | | | | | | G Barrère | 6 | 5 | 1 |
| | G Quinzi | 6 | 6 | | G Quinzi | 6 | 6 | | | | | | | | |
| | L Giustino | 6 | 7$^7$ | | L Giustino | 3 | 2 | | | | | | | | |
| WC | P Rikl | 3 | 6$^3$ | | | | | | G Quinzi | 2 | 6$^5$ | | | | |
| | G Blancaneaux | 6$^3$ | 5 | | | | | | G Barrère | 6 | 7$^7$ | | | | |
| | K Coppejans | 7$^7$ | 7 | | K Coppejans | 4 | 3 | | | | | | | | |
| | G Barrère | 6 | 1 | 7$^7$ | G Barrère | 6 | 6 | | | | | | | | |
| 5 | B Bonzi | 2 | 6 | 6$^2$ | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals |
| 6 | G Oliveira | 6 | 3 | 6$^4$ | | | | | | | | | | | | |
| | U Ignatik | 4 | 6 | 7$^7$ | | U Ignatik | 5 | 3 | | | | | | | | |
| Q | E Furness | 2 | 3 | | | M Donati | 7 | 6 | | | | | | | | |
| | M Donati | 6 | 6 | | | | | | | M Donati | 5 | 6 | 7 | | | |
| | T Griekspoor | 2 | 1 | | | | | | | A Collarini | 7 | 3 | 5 | | | |
| Q | M Bourgue | 6 | 6 | | Q | M Bourgue | 2 | 6 | 4 | | | | | | | |
| | A Collarini | 6 | 6 | | | A Collarini | 6 | 1 | 6 | | | | | | | |
| 3 | A Balázs | 4 | 4 | | | | | | | | | | | M Donati | 6$^3$ | 4 |
| 7 | A Pavlásek | 6 | 6 | | | | | | | | | | | A De Greef | 7$^7$ | 6 |
| WC | M Gengel | 2 | 3 | | 7 | A Pavlásek | 7$^7$ | 0 | 5 | | | | | | | |
| WC | Dominik Kellovský | 2 | 7$^7$ | 5 | | Z Kolář | 6$^5$ | 6 | 7 | | | | | | | |
| | Z Kolář | 6 | 6$^1$ | 7 | | | | | | Z Kolář | 6$^4$ | 6$^2$ | | | | |
| Q | P Martínez | 3 | 7 | 6 | | | | | | A De Greef | 7$^7$ | 7$^7$ | | | | |
| Q | E Benchetrit | 6 | 5 | 3 | Q | P Martínez | 6$^2$ | 2 | | | | | | | | |
| | A De Greef | 6 | 3 | 6 | | A De Greef | 7$^7$ | 6 | | | | | | | | |
| 2 | S Stakhovsky | 4 | 6 | 3 | | | | | | | | | | | | |