2021 Brest Challenger

The 2021 Brest Challenger was a professional tennis tournament played on hard courts. It was the sixth edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Brest, France between 25 and 31 October 2021.

2021 Brest Challenger
Date	25–31 October
Edition	6th
Surface	Hard (Indoor)
Location	Brest, France
Champions
Singles
Brandon Nakashima
Doubles
Sadio Doumbia / Fabien Reboul

Singles main-draw entrants

Seeds

Country	Player	Rank1	Seed
FRA	Arthur Rinderknech	65	1
USA	Jenson Brooksby	70	2
FRA	Richard Gasquet	74	3
USA	Brandon Nakashima	79	4
ITA	Stefano Travaglia	83	5
FRA	Pierre-Hugues Herbert	97	6
SUI	Henri Laaksonen	99	7
FRA	Hugo Gaston	106	8

• ¹ Rankings are as of 18 October 2021.^[1]

Other entrants

The following players received wildcards into the singles main draw:

• Manuel Guinard
• Arthur Rinderknech
• Luca Van Assche

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

• Carlos Taberner

The following player received entry into the singles main draw as an alternate:

• Maxime Janvier

The following players received entry from the qualifying draw:

• Kenny de Schepper
• Aleksandr Nedovyesov
• Zsombor Piros
• Alexey Vatutin

The following player received entry as a lucky loser:

• Valentin Royer

Champions

Singles

Main article: 2021 Brest Challenger – Singles

• Brandon Nakashima def. João Sousa 6–3, 6–3.

Doubles

Main article: 2021 Brest Challenger – Doubles

• Sadio Doumbia / Fabien Reboul def. Salvatore Caruso / Federico Gaio 4–6, 6–3, [10–3].