# 2016 Brest Challenger – Singles

Ivan Dodig was the defending champion but chose not to defend his title.
Norbert Gombos won the title after defeating Yannik Reuter 7–5, 6–2 in the final.

## Seeds

* Jérémy Chardy (semifinals)
* Lukáš Lacko (quarterfinals)
* Marco Chiudinelli (second round)
* Alessandro Giannessi (first round)
* Steven Diez (quarterfinals)
* Luca Vanni (first round)
* Quentin Halys (withdrew)
* Marko Tepavac (quarterfinals)

## 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 |
| 1 | Jérémy Chardy | 4 | 7 | 2 | | | | |
| | Yannik Reuter | 6 | 5 | 6 | | | | |
| | Yannik Reuter | 6 | 5 | 6 | | Yannik Reuter | 5 | 2 |
| | | | | | LL | Norbert Gombos | 7 | 6 |
| | Julien Benneteau | 6$^3$ | 6 | 4 | LL | Norbert Gombos | 7 | 6 |
| LL | Norbert Gombos | 7$^7$ | 3 | 6 | | | | |

### 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 | Semifinals |
| 1 | J Chardy | 6 | 6 | | | | | | | | | | | | | | | |
| SE | S Tsitsipas | 2 | 3 | | 1 | J Chardy | 6 | 6 | | | | | | | | | | |
| SE | M Janvier | 4 | 6$^4$ | | | A Nedovyesov | 4 | 4 | | | | | | | | | | |
| | A Nedovyesov | 6 | 7$^7$ | | | | | | | 1 | J Chardy | 6 | 6 | | | | | |
| Q | G Jacq | 6 | 2 | | | | | | | 5 | S Diez | 1 | 2 | | | | | |
| | M Donati | 3 | 1$^r$ | | Q | G Jacq | 6$^4$ | 1 | | | | | | | | | | |
| | Marc Sieber | 4 | 1 | | 5 | S Diez | 7$^7$ | 6 | | | | | | | | | | |
| 5 | S Diez | 6 | 6 | | | | | | | | | | | 1 | J Chardy | 4 | 7 | 2 |
| 4 | A Giannessi | 1 | 6$^1$ | | | | | | | | | | | | Y Reuter | 6 | 5 | 6 |
| Q | M Neuchrist | 6 | 7$^7$ | | Q | M Neuchrist | 3 | 6 | 5 | | | | | | | | | |
| | A Sidorenko | 2 | 4 | | | A Šetkić | 6 | 4 | 7 | | | | | | | | | |
| | A Šetkić | 6 | 6 | | | | | | | | A Šetkić | 2 | 4 | | | | | |
| Q | Y Marti | 5 | 6 | 3 | | | | | | | Y Reuter | 6 | 6 | | | | | |
| | Y Reuter | 7 | 3 | 6 | | Y Reuter | 6 | 6 | | | | | | | | | | |
| | P Krstin | 7$^7$ | 7 | | | P Krstin | 4 | 4 | | | | | | | | | | |
| 6 | L Vanni | 6$^5$ | 5 | | | | | | | | | | | | | | | |

### 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 8 | M Tepavac | 6 | 6 | | | | | | | | | | | | | | | | |
| | A Golubev | 3 | 4 | | 8 | M Tepavac | 6$^7$ | 6 | 6 | | | | | | | | | | |
| | Y Mertens | 2 | 0$^r$ | | Q | R Jouan | 7$^9$ | 2 | 3 | | | | | | | | | | |
| Q | R Jouan | 6 | 1 | | | | | | | 8 | M Tepavac | 2 | 1 | | | | | | |
| | J Benneteau | 6 | 5 | 6 | | | | | | | J Benneteau | 6 | 6 | | | | | | |
| | N Milojević | 4 | 7 | 3 | | J Benneteau | 6 | 6 | | | | | | | | | | | |
| WC | E Furness | 4 | 5 | | 3 | M Chiudinelli | 2 | 0 | | | | | | | | | | | |
| 3 | M Chiudinelli | 6 | 7 | | | | | | | | | | | | | J Benneteau | 6$^3$ | 6 | 4 |
| LL | N Gombos | 6 | 6 | | | | | | | | | | | | LL | N Gombos | 7$^7$ | 3 | 6 |
| LL | S Gillé | 4 | 3 | | LL | N Gombos | 6 | 4 | 7 | | | | | | | | | | |
| | A Menéndez-Maceiras | 6$^3$ | 4 | | | J Jahn | 3 | 6 | 5 | | | | | | | | | | |
| | Jeremy Jahn | 7$^7$ | 6 | | | | | | | LL | N Gombos | 3 | 6 | 7$^7$ | | | | | |
| WC | C Moutet | 6 | 4 | 7 | | | | | | 2 | L Lacko | 6 | 4 | 6$^5$ | | | | | |
| WC | L Lokoli | 1 | 6 | 5 | WC | C Moutet | 2 | 4 | | | | | | | | | | | |
| | G Barrère | 1 | 1 | | 2 | L Lacko | 6 | 6 | | | | | | | | | | | |
| 2 | L Lacko | 6 | 6 | | | | | | | | | | | | | | | | |