2023 Brest Challenger

The 2023 Brest Challenger was a professional tennis tournament played on hard courts. It was the eighth edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Brest, France between 23 and 29 October 2023.

Seeds

 * 1 Rankings are as of 16 October 2023.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇫🇷 Titouan Droguet
 * 🇫🇷 Richard Gasquet
 * 🇫🇷 Giovanni Mpetshi Perricard

The following players received entry into the singles main draw as special exempts:
 * 🇫🇷 Kyrian Jacquet
 * 🇦🇹 Dennis Novak

The following players received entry from the qualifying draw:
 * Duje Ajduković
 * 🇨🇦 Gabriel Diallo
 * 🇬🇧 Arthur Fery
 * 🇫🇷 Calvin Hemery
 * 🇫🇷 Matteo Martineau
 * 🇬🇧 Ryan Peniston

The following players received entry as lucky losers:
 * 🇫🇷 Geoffrey Blancaneaux
 * Gijs Brouwer
 * Frederico Ferreira Silva

Singles

 * 🇪🇸 Pedro Martínez def. 🇫🇷 Benjamin Bonzi 7–6(8–6), 7–6(7–1).

Doubles

 * 🇮🇳 Yuki Bhambri / 🇬🇧 Julian Cash def. 🇺🇸 Robert Galloway / 🇫🇷 Albano Olivetti 6–7(5–7), 6–3, [10–5].