| Singles | |
|---|---|
| 2024 Open Castilla y León | |
| Champion |  Antoine Escoffier |
| Runner-up |  Àlex Martínez |
| Score | 6–3, 2–6, 6–3 |
Pablo Llamas Ruiz was the defending champion [1] but chose not to defend his title.
Antoine Escoffier won the title after defeating Àlex Martínez 6–3, 2–6, 6–3 in the final.
Antoine Escoffier (champion) Jules Marie (first round)
Alibek Kachmazov (second round) Egor Gerasimov (second round) Robin Bertrand (first round)
Michael Geerts (second round)
August Holmgren (first round)
Vadym Ursu (first round)| Semifinals | Final | ||||||||||||
| 1 | Antoine Escoffier | 6 | 6 | ||||||||||
 Cui Jie | 4 | 4 | |||||||||||
| 1 | Antoine Escoffier | 6 | 2 | 6 | |||||||||
| Q | Àlex Martínez | 3 | 6 | 3 | |||||||||
| WC | Nicolás Álvarez Varona | 4 | 3 | ||||||||||
| Q | Àlex Martínez | 6 | 6 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | A Escoffier | 77 | 6 | ||||||||||||||||||||||||
 Iliyan Radulov | 62 | 1 | 1 | A Escoffier | w/o | ||||||||||||||||||||||
| A Barroso Campos | 5 | 5 |  E Butvilas | ||||||||||||||||||||||||
| E Butvilas | 7 | 7 | 1 | A Escoffier | 6 | 6 | |||||||||||||||||||||
| Alexis Gautier | 6 | 62 | 2 |  B Lock | 2 | 2 | |||||||||||||||||||||
| Miguel Damas | 4 | 77 | 6 | M Damas | 77 | 5 | 65 | ||||||||||||||||||||
| B Lock | 6 | 6 | B Lock | 62 | 7 | 77 | |||||||||||||||||||||
| 8 | Vadym Ursu | 3 | 1 | 1 | A Escoffier | 6 | 6 | ||||||||||||||||||||
| 3 | A Kachmazov | 3 | 7 | 6 | J Cui | 4 | 4 | ||||||||||||||||||||
| Alt | I Montes de la Torre | 6 | 5 | 1 | 3 | A Kachmazov | 6 | 2 | 3 | ||||||||||||||||||
| Q |  Max Wiskandt | 6 | 6 | Q | M Wiskandt | 2 | 6 | 6 | |||||||||||||||||||
| E Karlovskiy | 1 | 4 | Q | M Wiskandt | 4 | 5 | |||||||||||||||||||||
| Daniel Mérida | 4 | 4 | J Cui | 6 | 7 | ||||||||||||||||||||||
| A Weber | 6 | 6 | A Weber | 4 | 6 | 60 | |||||||||||||||||||||
| Cui Jie | 7 | 6 | J Cui | 6 | 4 | 77 | |||||||||||||||||||||
| 5 | R Bertrand | 5 | 2 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | M Geerts | 6 | 77 | ||||||||||||||||||||||||
| L Lokoli | 4 | 64 | 6 | M Geerts | 3 | 6 | 3 | ||||||||||||||||||||
| Q |  Adrià Soriano Barrera | 65 | 4 | D Added | 6 | 3 | 6 | ||||||||||||||||||||
| D Added | 77 | 6 | D Added | 3 | 3 | ||||||||||||||||||||||
| WC | Alejo Sánchez Quílez | 1 | 1 | WC | N Álvarez Varona | 6 | 6 | ||||||||||||||||||||
| WC | N Álvarez Varona | 6 | 6 | WC | N Álvarez Varona | 6 | 67 | 6 | |||||||||||||||||||
| Q |  Fabrizio Andaloro | 4 | 3 | 4 | E Gerasimov | 4 | 79 | 3 | |||||||||||||||||||
| 4 | E Gerasimov | 6 | 6 | WC | N Álvarez Varona | 4 | 3 | ||||||||||||||||||||
| 7 | A Holmgren | 5 | 4 | Q | À Martínez | 6 | 6 | ||||||||||||||||||||
| Q | John Echeverría | 7 | 6 | Q | J Echeverría | 6 | 4 | 4 | |||||||||||||||||||
| Q | Iván Marrero Curbelo | 6 | 64 | 3 | Q | À Martínez | 1 | 6 | 6 | ||||||||||||||||||
| Q | Àlex Martínez | 3 | 77 | 6 | Q | À Martínez | 6 | 2 | 6 | ||||||||||||||||||
| WC | Mario González Fernández | 6 | 6 | WC | M González Fernández | 3 | 6 | 3 | |||||||||||||||||||
 Lorenzo Joaquín Rodríguez | 4 | 3 | WC | M González Fernández | w/o | ||||||||||||||||||||||
 M Safwat | 77 | 6 | M Safwat | ||||||||||||||||||||||||
| 2 | Jules Marie | 62 | 4 | ||||||||||||||||||||||||
Radu Albot was the defending champion but lost in the second round to Antoine Escoffier.
Altuğ Çelikbilek was the defending champion but lost in the first round to Alejandro Moro Cañas.
Oscar Otte was the defending champion but chose not to defend his title.
Arthur Rinderknech was the defending champion but chose not to defend his title.
Maxime Cressy was the defending champion but chose not to defend his title.
Stuart Parker was the defending champion but lost in the qualifying competition to Giovanni Fonio.
Arthur Cazaux was the defending champion but lost in the final to Sho Shimabukuro.
Jack Draper was the defending champion but chose not to defend his title.
Quentin Halys was the defending champion but chose not to defend his title.
Blaž Rola was the defending champion but chose not to defend his title.
Jay Clarke was the defending champion but lost in the second round to Térence Atmane.
Jason Kubler was the defending champion but chose not to defend his title.
Constant Lestienne was the defending champion but chose not to defend his title.
Hugo Grenier was the defending champion but retired from his first round match against Dominik Palán.
Altuğ Çelikbilek was the two-time defending champion but lost in the second round to Antoine Escoffier.
Hugo Grenier was the defending champion but chose not to defend his title.
Matteo Gigante was the defending champion but chose not to defend his title.
Giulio Zeppieri was the defending champion but chose not to defend his title.
Dennis Novak was the defending champion but chose not to defend his title.
Hugo Grenier was the defending champion but chose not to defend his title.