# 2016 STRABAG Challenger Open – Singles

Robin Haase was the defending champion but chose not to defend his title.
Steve Darcis won the title after defeating Jordi Samper Montaña 6–3, 6–4 in the final.

## Seeds

* Íñigo Cervantes (first round)
* Adam Pavlásek (first round)
* Igor Sijsling (quarterfinals)
* Daniel Gimeno Traver (second round)
* Steve Darcis (champion)
* Kimmer Coppejans (quarterfinals)
* Constant Lestienne (second round)
* Steven Diez (semifinals)

## 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 |
| | Jordi Samper Montaña | 7 | 6$^5$ | 6 | | | | |
| | Akira Santillan | 5 | 7$^7$ | 4 | | | | |
| | Akira Santillan | 5 | 7$^7$ | 4 | | Jordi Samper Montaña | 3 | 4 |
| | | | | | 5 | Steve Darcis | 6 | 6 |
| 5 | Steve Darcis | 6 | 6 | | 5 | Steve Darcis | 6 | 6 |
| 8 | Steven Diez | 4 | 4 | | | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | Í Cervantes | 4 | 5 | | | | | | | | | | | | | | |
| | A Ghem | 6 | 7 | | | A Ghem | 4 | 3 | | | | | | | | | |
| | Y Reuter | 3 | 6 | 3 | | J Samper-Montaña | 6 | 6 | | | | | | | | | |
| | J Samper-Montaña | 6 | 4 | 6 | | | | | | | J Samper-Montaña | 6 | 7$^8$ | | | | |
| | J Šátral | 1 | 6 | 6 | | | | | | 6 | K Coppejans | 0 | 6$^6$ | | | | |
| Q | M Eriksson | 6 | 3 | 3 | | J Šátral | 1 | 1 | | | | | | | | | |
| Alt | R Bellotti | 0 | 2 | | 6 | K Coppejans | 6 | 6 | | | | | | | | | |
| 6 | K Coppejans | 6 | 6 | | | | | | | | | | | J Samper-Montaña | 7 | 6$^5$ | 6 |
| 4 | D Gimeno Traver | 6 | 6 | | | | | | | | | | | A Santillan | 5 | 7$^7$ | 4 |
| | D Kuzmanov | 4 | 4 | | 4 | D Gimeno Traver | 6 | 4 | 6$^5$ | | | | | | | | |
| WC | J Melzer | 6 | 1 | 2 | Q | H Hurkacz | 3 | 6 | 7$^7$ | | | | | | | | |
| Q | H Hurkacz | 4 | 6 | 6 | | | | | | Q | H Hurkacz | 5 | 5 | | | | |
| | A Santillan | 4 | 7$^8$ | 7$^7$ | | | | | | | A Santillan | 7 | 7 | | | | |
| | J De Loore | 6 | 6$^6$ | 6$^5$ | | A Santillan | 6 | 6 | | | | | | | | | |
| | A Vatutin | 6 | 4 | 2 | 7 | C Lestienne | 2 | 0 | | | | | | | | | |
| 7 | C Lestienne | 2 | 6 | 6 | | | | | | | | | | | | | |

### 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 | Semifinals |
| 5 | S Darcis | 6 | 6 | | | | | | | | | | | | | | |
| PR | F de Paula | 1 | 4 | | 5 | S Darcis | 6 | 6 | | | | | | | | | |
| | Robin Staněk | 6 | 6 | | | R Staněk | 4 | 1 | | | | | | | | | |
| WC | Martin Blaško | 3 | 2 | | | | | | | 5 | S Darcis | 6 | 6 | | | | |
| WC | Patrik Fabian | 4 | 3 | | | | | | | 3 | I Sijsling | 1 | 4 | | | | |
| Q | G Blancaneaux | 6 | 6 | | Q | G Blancaneaux | 3 | 4 | | | | | | | | | |
| | L Đere | 6 | 2 | 5 | 3 | I Sijsling | 6 | 6 | | | | | | | | | |
| 3 | I Sijsling | 4 | 6 | 7 | | | | | | | | | | 5 | S Darcis | 6 | 6 |
| 8 | S Diez | 6 | 7 | | | | | | | | | | | 8 | S Diez | 4 | 4 |
| | Clément Geens | 3 | 5 | | 8 | S Diez | 7$^7$ | 3 | 7$^7$ | | | | | | | | |
| | N Gombos | 6 | 6 | | | N Gombos | 6$^4$ | 6 | 6$^5$ | | | | | | | | |
| | G Sakharov | 2 | 2 | | | | | | | 8 | S Diez | 6 | 6 | | | | |
| Q | R Jebavý | 6 | 6 | | | | | | | | M Michalička | 3 | 4 | | | | |
| WC | Dominik Šproch | 3 | 1 | | Q | R Jebavý | 7 | 2 | 2 | | | | | | | | |
| | M Michalička | 2 | 6 | 6 | | M Michalička | 5 | 6 | 6 | | | | | | | | |
| 2 | A Pavlásek | 6 | 3 | 2 | | | | | | | | | | | | | |