| 2017 Brest Challenger | ||||
|---|---|---|---|---|
| Date | 23–29 October | |||
| Edition | 3rd | |||
| Surface | Hard | |||
| Location | Brest, France | |||
| Champions | ||||
| Singles | ||||
 Corentin Moutet | ||||
| Doubles | ||||
 Sander Arends / Antonio Šančić | ||||
| ||||
The2017Brest Challenger was a professionaltennis tournament played onhard courts. It was the third edition of the tournament which was part of the2017 ATP Challenger Tour. It took place inBrest, France between 23 and 29 October 2017.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 RUS | Daniil Medvedev | 67 | 1 |
 ROU | Marius Copil | 74 | 2 |
 SVK | Norbert Gombos | 83 | 3 |
| FRA | Jérémy Chardy | 84 | 4 |
 TUN | Malek Jaziri | 89 | 5 |
 SRB | Laslo Đere | 90 | 6 |
| RUS | Andrey Kuznetsov | 95 | 7 |
 ITA | Matteo Berrettini | 120 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry into the singles main draw as special exempts:
The following player received entry into the singles main draw as an alternate:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
Corentin Moutet def.
Stefanos Tsitsipas 6–2, 7–6(10–8).Sander Arends /Antonio Šančić def.
Scott Clayton /
Divij Sharan 6–4, 7–5.
