| Singles | |
|---|---|
| 2023 Open Aix Provence | |
| Champion |  Andy Murray |
| Runner-up |  Tommy Paul |
| Score | 2–6, 6–1, 6–2 |
Benjamin Bonzi was the defending champion [1] but chose not to defend his title.
Andy Murray won the title after defeating Tommy Paul 2–6, 6–1, 6–2 in the final.
The top four seeds received a bye into the second round.
Tommy Paul (final) Brandon Nakashima (second round)
Adrian Mannarino (second round)
Mikael Ymer (withdrew) Andy Murray (champion)
Alexander Bublik (quarterfinals) Grégoire Barrère (first round)
Tomás Martín Etcheverry (second round)| Semifinals | Final | ||||||||||||
| 1/WC | Tommy Paul | 6 | 6 | ||||||||||
 David Goffin | 4 | 2 | |||||||||||
| 1/WC | Tommy Paul | 6 | 1 | 2 | |||||||||
| 5/WC | Andy Murray | 2 | 6 | 6 | |||||||||
| 5/WC | Andy Murray | 7 | 6 | ||||||||||
| LL | Harold Mayot | 5 | 1 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1/WC | T Paul | 6 | 6 | ||||||||||||||||||||||||
| Alt | G Blancaneaux | 6 | 6 | Alt | G Blancaneaux | 2 | 2 | ||||||||||||||||||||
| Q |  I Gakhov | 3 | 2 | 1/WC | T Paul | 6 | 6 | ||||||||||||||||||||
 J Rodionov | 1 | 6 | 6 | J Rodionov | 4 | 2 | |||||||||||||||||||||
| Q | A Cazaux | 6 | 1 | 4 | J Rodionov | 6 | 1 | 77 | |||||||||||||||||||
| Q |  H Međedović | 7 | 2 | 2 | 8 | TM Etcheverry | 3 | 6 | 65 | ||||||||||||||||||
| 8 | TM Etcheverry | 5 | 6 | 6 | 1/WC | T Paul | 6 | 6 | |||||||||||||||||||
| D Goffin | 4 | 2 | |||||||||||||||||||||||||
| LL | D Added | 4 | 6 | 2 | |||||||||||||||||||||||
| Alt | B Paire | 60 | 1 | D Goffin | 6 | 3 | 6 | ||||||||||||||||||||
| D Goffin | 77 | 6 | D Goffin | 1 | 6 | 78 | |||||||||||||||||||||
| Q |  R Haase | 5 | 5 | A Fils | 6 | 3 | 66 | ||||||||||||||||||||
| Q Halys | 7 | 7 | Q Halys | 5 | 6 | 62 | |||||||||||||||||||||
| A Fils | 4 | 7 | 77 | A Fils | 7 | 4 | 77 | ||||||||||||||||||||
| 7 | G Barrère | 6 | 5 | 64 | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5/WC | A Murray | 6 | 6 | ||||||||||||||||||||||||
| WC | G Monfils | 3 | 2 | 5/WC | A Murray | 6 | 5 | 6 | |||||||||||||||||||
| Alt | L Lokoli | 3 | 6 | 7 | Alt | L Lokoli | 4 | 7 | 3 | ||||||||||||||||||
 A Ramos Viñolas | 6 | 4 | 5 | 5/WC | A Murray | 6 | 78 | ||||||||||||||||||||
| L Van Assche | 6 | 62 | 6 | L Van Assche | 2 | 66 | |||||||||||||||||||||
| Alt |  J Sousa | 4 | 77 | 1 | L Van Assche | 3 | 6 | 6 | |||||||||||||||||||
| 3 | A Mannarino | 6 | 3 | 2 | |||||||||||||||||||||||
| 5/WC | A Murray | 7 | 6 | ||||||||||||||||||||||||
| 6 | A Bublik | 77 | 7 | LL | H Mayot | 5 | 1 | ||||||||||||||||||||
| Alt |  R Bonadio | 65 | 5 | 6 | A Bublik | 6 | 6 | ||||||||||||||||||||
 O Virtanen | 77 | 79 | O Virtanen | 4 | 4 | ||||||||||||||||||||||
| A Müller | 64 | 67 | 6 | A Bublik | 3 | 1 | |||||||||||||||||||||
| N Borges | 5 | 4 | LL | H Mayot | 6 | 6 | |||||||||||||||||||||
| LL | H Mayot | 7 | 6 | LL | H Mayot | 77 | 6 | ||||||||||||||||||||
| 2 | B Nakashima | 62 | 3 | ||||||||||||||||||||||||
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