2023 Open Sopra Steria de Lyon

Country	Player	Rank1	Seed
FRA	Quentin Halys	88	1
ESP	Pedro Martínez	135	2
ARG	Facundo Díaz Acosta	137	3
KAZ	Timofey Skatov	147	4
FRA	Benoît Paire	149	5
JPN	Kaichi Uchida	154	6
FRA	Geoffrey Blancaneaux	161	7
BRA	Felipe Meligeni Alves	165	8

• ¹ Rankings are as of 29 May 2023.^[1]

The following players received wildcards into the singles main draw:

• Ugo Blanchet
• Gabriel Debru
• Lucas Pouille

The following players received entry from the qualifying draw:

• Mathias Bourgue
• Manuel Guinard
• Maxime Janvier
• Jules Marie
• Dennis Novak
• Tom Paris

The following player received entry as a lucky loser:

• Clément Tabur

• Felipe Meligeni Alves def. Alexander Ritschard 6–4, 0–6, 7–6^(9–7).

• Manuel Guinard / Grégoire Jacq def. Constantin Frantzen / Hendrik Jebens 6–4, 2–6, [10–7].