2023 Open Castilla y León – Singles

Singles
2023 Open Castilla y León
Champion	Pablo Llamas Ruiz
Runner-up	Antoine Escoffier
Score	7–6(11–9), 7–6(7–5)

Hugo Grenier was the defending champion^[1] but retired from his first round match against Dominik Palán.

Pablo Llamas Ruiz won the title after defeating Antoine Escoffier 7–6^(11–9), 7–6^(7–5) in the final.

	Semifinals							Final
		Térence Atmane	4	77	3
	7	Antoine Escoffier	6	65	6
								7	Antoine Escoffier	69	65
								6	Pablo Llamas Ruiz	711	77
	3	Nicolas Moreno de Alboran	77	1	63
	6	Pablo Llamas Ruiz	65	6	77

	First round							Second round							Quarterfinals							Semifinals
	1	M Fucsovics	6	6
		M Geerts	3	2				1	M Fucsovics	6	2	6
	Q	Adrià Soriano Barrera	6	2	1				N Mejía	3	6	1
		N Mejía	3	6	6										1	M Fucsovics	3	610
		S Diez	3	3												T Atmane	6	712
		T Atmane	6	6					T Atmane	6	6
		R Peniston	6	6					R Peniston	4	1
	5	M Bellucci	4	4																			T Atmane	4	77	3
	4	Em Nava	64	5																		7	A Escoffier	6	65	6
	WC	D Jordà Sanchis	77	7				WC	D Jordà Sanchis	6	66	6
	Q	E Butvilas	6	77				Q	E Butvilas	1	78	4
		Elmar Ejupovic	3	61											WC	D Jordà Sanchis	3	1
	Q	Luca Potenza	6	7											7	A Escoffier	6	6
	Q	John Echeverría	4	5				Q	L Potenza	1	3
	Q	I Montes de la Torre	5	2				7	A Escoffier	6	6
	7	A Escoffier	7	6

	First round							Second round							Quarterfinals							Semifinals
	8	R Berankis	3	6	77
	WC	G Loffhagen	6	4	65			8	R Berankis	1	4
		D Added	77	1	4			WC	F Verdasco	6	6
	WC	F Verdasco	64	6	6										WC	F Verdasco	3	2
		C İlkel	78	77											3	N Moreno de Alboran	6	6
	Alt	G Oliveira	66	65					C İlkel	4	2
		A Moro Cañas	4	2				3	N Moreno de Alboran	6	6
	3	N Moreno de Alboran	6	6																		3	N Moreno de Alboran	77	1	63
	6	P Llamas Ruiz	77	6																		6	P Llamas Ruiz	65	6	77
	Q	Miguel Damas	64	3				6	P Llamas Ruiz	6	6
	PR	P-H Herbert	4	64					M Lajal	4	3
		M Lajal	6	77											6	P Llamas Ruiz	77	7
	Alt	A Bellier	62	4												JP Ficovich	62	5
		JP Ficovich	77	6					JP Ficovich	77	6
	Alt	Dominik Palán	6	4				Alt	D Palán	65	2
	2	H Grenier	4	1r

• Main draw
• Qualifying draw