2023 Open Saint-Brieuc

Country	Player	Rank1	Seed
FRA	Antoine Escoffier	197	1
AUS	Li Tu	211	2
FRA	Evan Furness	223	3
POR	Frederico Ferreira Silva	226	4
BEL	Gauthier Onclin	228	5
BEL	Raphaël Collignon	238	6
FRA	Harold Mayot	251	7
LTU	Ričardas Berankis	253	8

• Rankings are as of 6 March 2023.^[1]

The following players received wildcards into the singles main draw:

• Antoine Ghibaudo
• Sascha Gueymard Wayenburg
• Pierre-Hugues Herbert

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

• Clément Chidekh
• Calvin Hemery
• Giovanni Oradini

The following players received entry from the qualifying draw:

• Constantin Bittoun Kouzmine
• Mathias Bourgue
• Jurgen Briand
• Mark Lajal
• Lucas Poullain
• Alexandre Reco

• Ričardas Berankis def. Dan Added 6–3, 6–7^(3–7), 7–6^(7–5).

• Dan Added / Albano Olivetti def. Patrik Niklas-Salminen / Bart Stevens 4–6, 7–6^(9–7), [10–6].