# 2017 Prosperita Open – Singles

Constant Lestienne was the defending champion but retired in the first round against Simone Bolelli.
Stefano Travaglia won the title after defeating Marco Cecchinato 6–2, 3–6, 6–4 in the final.

## Seeds

* Norbert Gombos (second round)
* Adam Pavlásek (semifinals)
* Alessandro Giannessi (withdrew)
* Roberto Carballés Baena (quarterfinals)
* Rubén Ramírez Hidalgo (second round)
* Lukáš Rosol (second round)
* Jan Šátral (first round)
* Marco Cecchinato (final)

## 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 | Semifinals | Final | Final | Final | Final | Final |
| 8 | Marco Cecchinato | 6$^5$ | 6 | 6 | | | | | |
| Q | Attila Balázs | 7$^7$ | 4 | 4 | | | | | |
| Q | Attila Balázs | 7$^7$ | 4 | 4 | 8 | Marco Cecchinato | 2 | 6 | 4 |
| | | | | | | Stefano Travaglia | 6 | 3 | 6 |
| | Stefano Travaglia | 6 | 7 | | | Stefano Travaglia | 6 | 3 | 6 |
| 2 | Adam Pavlásek | 3 | 5 | | | | | | |

### Top 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | N Gombos | 1 | 6 | 6 | | | | | | | | | | | | | | | |
| | R Ojeda Lara | 6 | 3 | 1 | 1 | N Gombos | 2 | 6 | 3 | | | | | | | | | | |
| | M Trungelliti | 3 | 7 | 6 | | M Trungelliti | 6 | 4 | 6 | | | | | | | | | | |
| | F Krajinović | 6 | 5 | 1 | | | | | | | M Trungelliti | 6$^2$ | 3 | | | | | | |
| | J De Loore | 6 | 6$^5$ | 6 | | | | | | 8 | M Cecchinato | 7$^7$ | 6 | | | | | | |
| | M Zekić | 4 | 7$^7$ | 2 | | J De Loore | 4 | 3 | | | | | | | | | | | |
| | K Mesaroš | 7 | 3 | 3 | 8 | M Cecchinato | 6 | 6 | | | | | | | | | | | |
| 8 | M Cecchinato | 5 | 6 | 6 | | | | | | | | | | | 8 | M Cecchinato | 6$^5$ | 6 | 6 |
| LL | C Taberner | 2 | 0 | | | | | | | | | | | | Q | A Balázs | 7$^7$ | 4 | 4 |
| Q | S Ofner | 6 | 6 | | Q | S Ofner | 5 | 1 | | | | | | | | | | | |
| PR | S Bolelli | 6 | 4 | 5 | PR | S Bolelli | 7 | 6 | | | | | | | | | | | |
| | C Lestienne | 3 | 6 | 0$^r$ | | | | | | PR | S Bolelli | 7$^7$ | 3 | 4 | | | | | |
| Q | A Balázs | 6 | 6 | | | | | | | Q | A Balázs | 6$^4$ | 6 | 6 | | | | | |
| | J Samper-Montaña | 2 | 3 | | Q | A Balázs | 6 | 6 | | | | | | | | | | | |
| | A Šetkić | 3 | 0 | | 6 | L Rosol | 3 | 3 | | | | | | | | | | | |
| 6 | L Rosol | 6 | 6 | | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | R Ramírez Hidalgo | 6 | 6 | | | | | | | | | | | | | | |
| WC | David Poljak | 3 | 2 | | 5 | R Ramírez Hidalgo | 3 | 1 | | | | | | | | | |
| | S Travaglia | 6 | 6 | | | S Travaglia | 6 | 6 | | | | | | | | | |
| | L Giustino | 1 | 3 | | | | | | | S Travaglia | 2 | 6 | 6 | | | | |
| Q | Lenny Hampel | 6$^3$ | 6$^1$ | | | | | | 4 | R Carballés Baena | 6 | 4 | 4 | | | | |
| | Y Reuter | 7$^7$ | 7$^7$ | | | Y Reuter | 0 | 2 | | | | | | | | | |
| WC | Dominik Kellovský | 5 | 0 | | 4 | R Carballés Baena | 6 | 6 | | | | | | | | | |
| 4 | R Carballés Baena | 7 | 6 | | | | | | | | | | | | S Travaglia | 6 | 7 |
| 7 | J Šátral | 7 | 3 | 5 | | | | | | | | | | 2 | A Pavlásek | 3 | 5 |
| LL | D Dima | 5 | 6 | 7 | LL | D Dima | 1 | 2 | | | | | | | | | |
| | S Napolitano | 6 | 6 | | | S Napolitano | 6 | 6 | | | | | | | | | |
| Q | R El Amrani | 1 | 2 | | | | | | | S Napolitano | 6 | 1 | 4 | | | | |
| WC | Dominik Šproch | 0 | 2 | | | | | | 2 | A Pavlásek | 2 | 6 | 6 | | | | |
| WC | Z Kolář | 6 | 6 | | WC | Z Kolář | 2 | 4 | | | | | | | | | |
| | M Donati | 2 | 4 | | 2 | A Pavlásek | 6 | 6 | | | | | | | | | |
| 2 | A Pavlásek | 6 | 6 | | | | | | | | | | | | | | |