2025 Brest Challenger

2025 Brest Challenger
Date	20–26 October
Edition	10th
Surface	Hard (indoor)
Location	Brest, France
Champions
Singles
Hugo Gaston
Doubles
Sander Gillé / Sem Verbeek

The 2025 Brest Open Groupe Vert was a professional tennis tournament played on hard courts. It was the tenth edition of the tournament which was part of the 2025 ATP Challenger Tour. It took place in Brest, France between 20 and 26 October 2025.

Singles main-draw entrants

Seeds

Country	Player	Rank1	Seed
SRB	Laslo Djere	79	1
ITA	Luca Nardi	83	2
FRA	Hugo Gaston	97	3
ESP	Martín Landaluce	110	4
USA	Eliot Spizzirri	111	5
FIN	Otto Virtanen	116	6
USA	Nishesh Basavareddy	125	7
ITA	Francesco Passaro	141	8
ARG	Marco Trungelliti	142	9

• ¹ Rankings are as of 13 October 2025.

Other entrants

The following players received wildcards into the singles main draw:

• Dan Added
• Hugo Gaston
• Maé Malige

The following player received entry into the singles main draw using a protected ranking:

• Emil Ruusuvuori

The following player received entry into the singles main draw as a special exempt:

• Harry Wendelken

The following players received entry into the singles main draw as alternates:

• Arthur Bouquier
• Calvin Hemery

The following players received entry from the qualifying draw:

• Jaime Faria
• Arthur Fery
• Jonáš Forejtek
• Lucas Poullain
• Clément Tabur
• Alexey Vatutin

The following player received entry as a lucky loser:

• Colton Smith

Champions

Singles

Main article: 2025 Brest Challenger – Singles

• Hugo Gaston def. Eliot Spizzirri 2–6, 6–2, 6–1.

Doubles

Main article: 2025 Brest Challenger – Doubles

• Sander Gillé / Sem Verbeek def. Théo Arribagé / Albano Olivetti 7–6^(7–5), 7–6^(7–4).