2023 Internationaux de Tennis de Blois

Country	Player	Rank1	Seed
FRA	Quentin Halys	84	1
ESP	Pedro Martínez	120	2
KAZ	Timofey Skatov	135	3
BRA	Felipe Meligeni Alves	156	4
BEL	Kimmer Coppejans	171	5
FRA	Harold Mayot	191	6
SWE	Dragoș Nicolae Mădăraș	207	7
	Evgeny Donskoy	230	8

• ¹ Rankings are as of 12 June 2023.^[1]

The following players received wildcards into the singles main draw:

• Mathias Bourgue
• Arthur Géa
• Clément Tabur

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

• Murkel Dellien
• Filip Cristian Jianu

The following players received entry from the qualifying draw:

• Ugo Blanchet
• Kenny de Schepper
• Kyrian Jacquet
• Alex Michelsen
• Daniel Rincón
• Nikolás Sánchez Izquierdo

The following player received entry as a lucky loser:

• Calvin Hemery

• Quentin Halys def. Kyrian Jacquet 4–6, 6–2, 2–0 ret.

• Dan Added / Grégoire Jacq def. Théo Arribagé / Luca Sanchez 6–4, 6–4.