2017 Brest Challenger

The 2017 Brest Challenger was a professional tennis tournament played on hard courts. It was the third edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Brest, France between 23 and 29 October 2017.

Seeds

 * 1 Rankings are as of 16 October 2017.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇫🇷 Geoffrey Blancaneaux
 * 🇫🇷 David Guez
 * 🇫🇷 Ugo Humbert
 * 🇫🇷 Corentin Moutet

The following players received entry into the singles main draw as special exempts:
 * 🇮🇹 Matteo Donati
 * Stefanos Tsitsipas

The following player received entry into the singles main draw as an alternate:
 * 🇫🇷 Gleb Sakharov

The following players received entry from the qualifying draw:
 * 🇫🇷 Tristan Lamasine
 * 🇺🇦 Illya Marchenko
 * 🇫🇷 Gianni Mina
 * 🇧🇪 Yannik Reuter

The following player received entry as a lucky loser:
 * 🇮🇹 Andrea Arnaboldi

Singles

 * 🇫🇷 Corentin Moutet def. Stefanos Tsitsipas 6–2, 7–6(10–8).

Doubles

 * Sander Arends / Antonio Šančić def. 🇬🇧 Scott Clayton / 🇮🇳 Divij Sharan 6–4, 7–5.