2024 Open Castilla y León

Country	Player	Rank1	Seed
FRA	Antoine Escoffier	209	1
FRA	Jules Marie	230	2
	Alibek Kachmazov	255	3
	Egor Gerasimov	265	4
FRA	Robin Bertrand	279	5
BEL	Michael Geerts	319	6
DEN	August Holmgren	320	7
UKR	Vadym Ursu	336	8

• ¹ Rankings as of 15 July 2024.^[1]

The following players received wildcards into the singles main draw:

• Nicolás Álvarez Varona
• Mario González Fernández
• Alejo Sánchez Quílez

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

• Iñaki Montes de la Torre

The following players received entry from the qualifying draw:

• Fabrizio Andaloro
• John Echeverría
• Iván Marrero Curbelo
• Àlex Martínez
• Adrià Soriano Barrera
• Max Wiskandt

• Antoine Escoffier def. Àlex Martínez 6–3, 2–6, 6–3.

• Dan Added / Arthur Reymond def. Alexander Donski / Tiago Pereira 6–4, 6–3.