| Singles | |
|---|---|
| 2023 Open de Vendée | |
| Champion |  Tomáš Macháč |
| Runner-up |  Arthur Fery |
| Score | 6–3, 6–4 |
Jelle Sels was the defending champion [1] but chose not to defend his title.
Tomáš Macháč won the title after defeating Arthur Fery 6–3, 6–4 in the final.
Hugo Gaston (quarterfinals)
Dominic Stricker (first round) Benjamin Bonzi (second round)
David Goffin (second round) Marc-Andrea Hüsler (first round)
Maxime Cressy (first round) Jack Draper (quarterfinals) Tomáš Macháč (champion)| Semifinals | Final | ||||||||||||
| Antoine Escoffier | 4 | 6 | 4 | ||||||||||
| Q | Arthur Fery | 6 | 1 | 6 | |||||||||
| Q | Arthur Fery | 3 | 4 | ||||||||||
| 8 | Tomáš Macháč | 6 | 6 | ||||||||||
| 8 | Tomáš Macháč | 6 | 6 | ||||||||||
| WC | Lucas Poullain | 4 | 0 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | H Gaston | 69 | 77 | 6 | |||||||||||||||||||||||
 O Virtanen | 711 | 64 | 2 | 1 | H Gaston | 6 | 6 | ||||||||||||||||||||
| Alt | Valentin Royer | 3 | 63 | M Bourgue | 2 | 0 | |||||||||||||||||||||
| M Bourgue | 6 | 77 | 1 | H Gaston | 1 | 4 | |||||||||||||||||||||
 G Diallo | 6 | 4 | 4 | A Escoffier | 6 | 6 | |||||||||||||||||||||
 V Sachko | 3 | 6 | 6 | V Sachko | 64 | 3 | |||||||||||||||||||||
| A Escoffier | 3 | 6 | 6 | A Escoffier | 77 | 6 | |||||||||||||||||||||
| 6 | M Cressy | 6 | 3 | 2 | A Escoffier | 4 | 6 | 4 | |||||||||||||||||||
| 4 | D Goffin | 4 | 6 | 77 | Q | A Fery | 6 | 1 | 6 | ||||||||||||||||||
| Q | Charles Broom | 6 | 4 | 63 | 4 | D Goffin | 4 | 6 | 2 | ||||||||||||||||||
| Q | R Bertrand | 2 | 3 | Q | A Fery | 6 | 3 | 6 | |||||||||||||||||||
| Q | A Fery | 6 | 6 | Q | A Fery | 77 | 6 | ||||||||||||||||||||
| Q | R Bertola | 4 | 5 |  G Zeppieri | 63 | 2 | |||||||||||||||||||||
| G Zeppieri | 6 | 7 | G Zeppieri | 6 | 6 | ||||||||||||||||||||||
| Q |  E Karlovskiy | 6 | 6 | Q | E Karlovskiy | 0 | 3 | ||||||||||||||||||||
| 5 | M-A Hüsler | 3 | 4 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 8 | T Macháč | 2 | 77 | 6 | |||||||||||||||||||||||
 G Brouwer | 6 | 62 | 2 | 8 | T Macháč | 6 | 77 | ||||||||||||||||||||
| WC | P-H Herbert | 6 | 6 | WC | P-H Herbert | 4 | 65 | ||||||||||||||||||||
| J De Loore | 3 | 4 | 8 | T Macháč | 6 | 6 | |||||||||||||||||||||
| Q | Adrien Gobat | 2 | 3 | L Nardi | 3 | 4 | |||||||||||||||||||||
| L Nardi | 6 | 6 | L Nardi | 7 | 6 | ||||||||||||||||||||||
| I Marchenko | 62 | 63 | 3 | B Bonzi | 5 | 4 | |||||||||||||||||||||
| 3 | B Bonzi | 77 | 77 | 8 | T Macháč | 6 | 6 | ||||||||||||||||||||
| 7 | J Draper | 6 | 6 | WC | L Poullain | 4 | 0 | ||||||||||||||||||||
| J Menšík | 4 | 2 | 7 | J Draper | 6 | 3 | 6 | ||||||||||||||||||||
 D Prižmić | 6 | 6 | D Prižmić | 4 | 6 | 3 | |||||||||||||||||||||
| D Added | 3 | 1 | 7 | J Draper | 64 | 2 | |||||||||||||||||||||
| Jules Marie | 1r | WC | L Poullain | 77 | 6 | ||||||||||||||||||||||
| WC | Lucas Poullain | 1 | WC | L Poullain | 6 | 5 | 6 | ||||||||||||||||||||
| WC | M Martineau | 77 | 6 | WC | M Martineau | 4 | 7 | 3 | |||||||||||||||||||
| 2 | D Stricker | 63 | 3 | ||||||||||||||||||||||||
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