| Singles | |
|---|---|
| 2023 Challenger La Manche | |
| Champion |  Giulio Zeppieri |
| Runner-up |  Titouan Droguet |
| Score | 7–5, 7–6(7–4) |
Benjamin Bonzi was the defending champion [1] but chose not to defend his title.
Giulio Zeppieri won the title after defeating Titouan Droguet 7–5, 7–6(7–4) in the final.
Vasek Pospisil (first round)
John Millman (first round) Luca Van Assche (quarterfinals) Hugo Grenier (second round) Geoffrey Blancaneaux (second round) Giulio Zeppieri (champion) Laurent Lokoli (first round)
Alexander Ritschard (first round)| Semifinals | Final | ||||||||||||
| 6 | Giulio Zeppieri | 6 | 3 | 6 | |||||||||
 Jan Choinski | 4 | 6 | 3 | ||||||||||
| 6 | Giulio Zeppieri | 7 | 77 | ||||||||||
| Q | Titouan Droguet | 5 | 64 | ||||||||||
| Antoine Escoffier | 3 | 4 | |||||||||||
| Q | Titouan Droguet | 6 | 6 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | V Pospisil | 4 | 65 | ||||||||||||||||||||||||
| Alt |  M Moraing | 6 | 77 | Alt | M Moraing | 66 | 6 | 6 | |||||||||||||||||||
| A Bellier | 78 | 7 | A Bellier | 78 | 4 | 2 | |||||||||||||||||||||
 A Çelikbilek | 66 | 5 | Alt | M Moraing | 5 | 4 | |||||||||||||||||||||
 I Gakhov | 4 | 66 | 6 | G Zeppieri | 7 | 6 | |||||||||||||||||||||
| Alt |  M Geerts | 6 | 78 | Alt | M Geerts | 6 | 5 | 65 | |||||||||||||||||||
 M Poljičak | 3 | 65 | 6 | G Zeppieri | 4 | 7 | 77 | ||||||||||||||||||||
| 6 | G Zeppieri | 6 | 77 | 6 | G Zeppieri | 6 | 3 | 6 | |||||||||||||||||||
| 4 | H Grenier | 7 | 6 | J Choinski | 4 | 6 | 3 | ||||||||||||||||||||
| Q |  K Friberg | 5 | 4 | 4 | H Grenier | 2 | 1 | ||||||||||||||||||||
| J Choinski | 6 | 6 | J Choinski | 6 | 6 | ||||||||||||||||||||||
| Q |  D Yevseyev | 3 | 2 | J Choinski | 4 | 6 | 6 | ||||||||||||||||||||
| Q | J Tatlot | 65 | 4 | G Debru | 6 | 4 | 4 | ||||||||||||||||||||
| G Debru | 77 | 6 | G Debru | 77 | 2 | 77 | |||||||||||||||||||||
| WC | K de Schepper | 63 | 6 | 6 | WC | K de Schepper | 62 | 6 | 63 | ||||||||||||||||||
| 8 | A Ritschard | 77 | 1 | 4 | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 7 | L Lokoli | 2 | 3 | ||||||||||||||||||||||||
| A Escoffier | 6 | 6 | A Escoffier | 65 | 6 | 7 | |||||||||||||||||||||
| E Furness | 6 | 6 | E Furness | 77 | 1 | 5 | |||||||||||||||||||||
| P Gojowczyk | 2 | 0 | A Escoffier | 6 | 5 | 77 | |||||||||||||||||||||
 K Żuk | 5 | 6 | 6 | 3 | L Van Assche | 4 | 7 | 64 | |||||||||||||||||||
| Q | G Onclin | 7 | 3 | 4 | K Żuk | 1 | 2 | ||||||||||||||||||||
| WC | D Added | 3 | 0 | 3 | L Van Assche | 6 | 6 | ||||||||||||||||||||
| 3 | L Van Assche | 6 | 6 | A Escoffier | 3 | 4 | |||||||||||||||||||||
| 5 | G Blancaneaux | 77 | 6 | Q | T Droguet | 6 | 6 | ||||||||||||||||||||
| Alt | R Collignon | 61 | 1 | 5 | G Blancaneaux | 2 | 62 | ||||||||||||||||||||
| WC | C Chidekh | 3 | 1 | Q | A Vatutin | 6 | 77 | ||||||||||||||||||||
| Q | A Vatutin | 6 | 6 | Q | A Vatutin | 6 | 4 | 4 | |||||||||||||||||||
| Alt |  N Sánchez Izquierdo | 2 | 64 | Q | T Droguet | 4 | 6 | 6 | |||||||||||||||||||
| J De Loore | 6 | 77 | J De Loore | 5 | 3 | ||||||||||||||||||||||
| Q | T Droguet | 6 | 6 | Q | T Droguet | 7 | 6 | ||||||||||||||||||||
| 2 | J Millman | 4 | 3 | ||||||||||||||||||||||||
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