| Singles | |
|---|---|
| 2023 Open de Tenis Ciudad de Pozoblanco | |
| Champion |  Hugo Grenier |
| Runner-up |  Juan Pablo Ficovich |
| Score | 6–7(4–7), 6–2, 7–6(7–3) |
Constant Lestienne was the defending champion [1] but chose not to defend his title.
Hugo Grenier won the title after defeating Juan Pablo Ficovich 6–7(4–7), 6–2, 7–6(7–3) in the final.
Hugo Grenier (champion)
Nicolas Moreno de Alboran (first round)
Mattia Bellucci (second round) Emilio Nava (second round)
Pablo Llamas Ruiz (second round) Antoine Escoffier (quarterfinals)
Ričardas Berankis (second round)
Cem İlkel (second round)| Semifinals | Final | ||||||||||||
| 1 | Hugo Grenier | 6 | 3 | 6 | |||||||||
| Alejandro Moro Cañas | 4 | 6 | 1 | ||||||||||
| 1 | Hugo Grenier | 64 | 6 | 77 | |||||||||
| Juan Pablo Ficovich | 77 | 2 | 63 | ||||||||||
| Térence Atmane | 4 | 4 | |||||||||||
| Juan Pablo Ficovich | 6 | 6 | |||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | H Grenier | 6 | 3 | 6 | |||||||||||||||||||||||
| PR | P-H Herbert | 3 | 6 | 4 | 1 | H Grenier | 77 | 6 | |||||||||||||||||||
 A Kachmazov | 77 | 7 | A Kachmazov | 62 | 3 | ||||||||||||||||||||||
| Q |  B Lock | 61 | 5 | 1 | H Grenier | 6 | 6 | ||||||||||||||||||||
 N Mejía | 3 | 65 | 6 | A Escoffier | 4 | 3 | |||||||||||||||||||||
 D Masur | 6 | 77 | D Masur | 4 | 4 | ||||||||||||||||||||||
 Dominik Palán | 4 | 4 | 6 | A Escoffier | 6 | 6 | |||||||||||||||||||||
| 6 | A Escoffier | 6 | 6 | 1 | H Grenier | 6 | 3 | 6 | |||||||||||||||||||
| 3 | M Bellucci | 77 | 6 | A Moro Cañas | 4 | 6 | 1 | ||||||||||||||||||||
| L Wessels | 64 | 3 | 3 | M Bellucci | 64 | 66 | |||||||||||||||||||||
| D Added | 65 | 6 | 78 | D Added | 77 | 78 | |||||||||||||||||||||
 A Bellier | 77 | 4 | 66 | D Added | 4 | 3 | |||||||||||||||||||||
| A Moro Cañas | 6 | 68 | 6 | A Moro Cañas | 6 | 6 | |||||||||||||||||||||
| Q | A Barroso Campos | 4 | 710 | 3 | A Moro Cañas | 6 | 3 | 7 | |||||||||||||||||||
| F Verdasco | 2 | 60 | 5/WC | P Llamas Ruiz | 1 | 6 | 5 | ||||||||||||||||||||
| 5/WC | P Llamas Ruiz | 6 | 77 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 7 | R Berankis | 6 | 6 | ||||||||||||||||||||||||
| Jules Marie | 4 | 4 | 7 | R Berankis | 62 | 3 | |||||||||||||||||||||
| T Atmane | 77 | 77 | T Atmane | 77 | 6 | ||||||||||||||||||||||
| Q | Pedro Vives Marcos | 62 | 60 | T Atmane | 3 | 77 | 6 | ||||||||||||||||||||
| L Giustino | 1 | 2 | WC | E Butvilas | 6 | 62 | 4 | ||||||||||||||||||||
| WC | E Butvilas | 6 | 6 | WC | E Butvilas | 6 | 6 | ||||||||||||||||||||
| Q | I Montes de la Torre | 3 | 2 | 4 | Em Nava | 3 | 4 | ||||||||||||||||||||
| 4 | Em Nava | 6 | 6 | T Atmane | 4 | 4 | |||||||||||||||||||||
| 8 | C İlkel | 64 | 6 | 77 | JP Ficovich | 6 | 6 | ||||||||||||||||||||
| WC | A Menéndez Maceiras | 77 | 4 | 62 | 8 | C İlkel | 4 | 77 | 3 | ||||||||||||||||||
| JP Ficovich | 3 | 77 | 6 | JP Ficovich | 6 | 65 | 6 | ||||||||||||||||||||
 R Peniston | 6 | 60 | 3 | JP Ficovich | 6 | 3 | 7 | ||||||||||||||||||||
| Y Erel | 6 | 6 | Q |  D Cukierman | 2 | 6 | 5 | ||||||||||||||||||||
| Q |  F Peliwo | 1 | 1 | Y Erel | 3 | 6 | 2 | ||||||||||||||||||||
| Q | D Cukierman | 6 | 78 | Q | D Cukierman | 6 | 1 | 6 | |||||||||||||||||||
| 2 | N Moreno de Alboran | 4 | 66 | ||||||||||||||||||||||||
Pablo Cuevas was the defending champion. He lost his title in the semifinals to Benoît Paire. Paire went on to win the title, defeating Tommy Robredo in the final, 7–6(9–7), 6–3.
Peter Gojowczyk was the defending champion, but lost to Kei Nishikori in the second round.
Karen Khachanov was the defending champion, but withdrew before the tournament began.
Félix Auger-Aliassime was the defending champion but chose not to defend his title.
Fabio Fognini was the defending champion, but he chose to compete in Umag instead.
Evgeny Donskoy was the defending champion but chose not to defend his title.
This was the first edition of the tournament.
Carlos Alcaraz was the defending champion but chose not to defend his title.
Carlos Alcaraz defeated Pablo Carreño Busta in the final, 6–3, 6–2 to win the singles tennis title at the 2022 Barcelona Open. Alcaraz saved two match points en route to the title, in the semifinals against Alex de Minaur. With the win, Alcaraz entered the top 10 in rankings for the first time in his career, becoming the youngest man to do so since Rafael Nadal in 2005.
Bernabé Zapata Miralles was the defending champion but chose not to defend his title.
Altuğ Çelikbilek was the defending champion and successfully defended his title after Christopher O'Connell retired at 7–6(7–5), 3–1 down in the final.
Altuğ Çelikbilek was the defending champion but lost in the first round to Alejandro Moro Cañas.
Benjamin Bonzi was the defending champion but chose not to defend his title.
Benjamin Bonzi was the defending champion but chose not to defend his title.
Jiří Veselý was the defending champion but chose not to defend his title.
Denys Molchanov and David Vega Hernández were the defending champions but chose not to defend their title.
Hugo Grenier was the defending champion but lost in the first round to Otto Virtanen.
Defending champion Carlos Alcaraz defeated Jan-Lennard Struff in the final, 6–4, 3–6, 6–3 to win the men's singles tennis title at the 2023 Madrid Open. It was his fourth Masters 1000 title. Struff was the first lucky loser to reach a Masters final.
Hugo Grenier was the defending champion but retired from his first round match against Dominik Palán.
Lukáš Klein was the defending champion but lost in the second round to Maximilian Marterer.