| Singles | |
|---|---|
| 2023 Maia Challenger | |
| Champion |  Nuno Borges |
| Runner-up |  Benoît Paire |
| Score | 6–1, 6–4 |
Luca Van Assche was the defending champion [1] but chose not to defend his title.
Nuno Borges won the title after defeating Benoît Paire 6–1, 6–4 in the final.
Nuno Borges (champion)
Albert Ramos Viñolas (quarterfinals) Benoît Paire (final)
Fabio Fognini (second round, withdrew)
Elias Ymer (quarterfinals) Andrea Vavassori (quarterfinals) Calvin Hemery (first round) Riccardo Bonadio (first round)| Semifinals | Final | ||||||||||||
| 1 | Nuno Borges | 77 | 6 | ||||||||||
| Matteo Martineau | 65 | 4 | |||||||||||
| 1 | Nuno Borges | 6 | 6 | ||||||||||
| 3 | Benoît Paire | 1 | 4 | ||||||||||
| 3 | Benoît Paire | 6 | 7 | ||||||||||
| Maxime Janvier | 2 | 5 | |||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | N Borges | 6 | 77 | ||||||||||||||||||||||||
 M Safwat | 4 | 65 | 1 | N Borges | 6 | 6 | |||||||||||||||||||||
 M Geerts | 63 | 6 | 1 | E Dalla Valle | 2 | 0 | |||||||||||||||||||||
| E Dalla Valle | 77 | 4 | 6 | 1 | N Borges | 2 | 78 | 6 | |||||||||||||||||||
 S Fanselow | 6 | 3 | 4 | 6 | A Vavassori | 6 | 66 | 3 | |||||||||||||||||||
| Q | K Friberg | 3 | 6 | 6 | Q | K Friberg | 2 | 3 | |||||||||||||||||||
| Q |  A Vatutin | 1 | 66 | 6 | A Vavassori | 6 | 6 | ||||||||||||||||||||
| 6 | A Vavassori | 6 | 78 | 1 | N Borges | 77 | 6 | ||||||||||||||||||||
| 4 | F Fognini | 67 | 6 | 7 | M Martineau | 65 | 4 | ||||||||||||||||||||
| Q | Tom Gentzsch | 79 | 3 | 5 | 4 | F Fognini | |||||||||||||||||||||
| M Martineau | 6 | 6 | M Martineau | w/o | |||||||||||||||||||||||
| LL | Miguel Damas | 1 | 2 | M Martineau | 6 | 6 | |||||||||||||||||||||
| A Giannessi | 4 | 77 | 2 | Q |  A Matusevich | 2 | 2 | ||||||||||||||||||||
| H Rocha | 6 | 65 | 6 | H Rocha | 62 | 4 | |||||||||||||||||||||
| Q | A Matusevich | 4 | 6 | 6 | Q | A Matusevich | 77 | 6 | |||||||||||||||||||
| 7 | C Hemery | 6 | 3 | 3 | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | E Ymer | 63 | 6 | 6 | |||||||||||||||||||||||
 M Trungelliti | 77 | 2 | 4 | 5 | E Ymer | 6 | 67 | 6 | |||||||||||||||||||
 D Yevseyev | 6 | 77 | D Yevseyev | 4 | 79 | 3 | |||||||||||||||||||||
| LL |  S Sakellaridis | 2 | 65 | 5 | E Ymer | 6 | 3 | 3 | |||||||||||||||||||
| Q | Pedro Araújo | 2 | 3 | 3 | B Paire | 3 | 6 | 6 | |||||||||||||||||||
| WC | J Faria | 6 | 6 | WC | J Faria | 79 | 3 | 3 | |||||||||||||||||||
| WC | D Vale | 2 | 4 | 3 | B Paire | 67 | 6 | 6 | |||||||||||||||||||
| 3 | B Paire | 6 | 6 | 3 | B Paire | 6 | 7 | ||||||||||||||||||||
| 8 | R Bonadio | 3 | 3 | M Janvier | 2 | 5 | |||||||||||||||||||||
| WC | Francisco Rocha | 6 | 6 | WC | F Rocha | 4 | 2 | ||||||||||||||||||||
| Q | Andrea Guerrieri | 3 | 2 | M Janvier | 6 | 6 | |||||||||||||||||||||
| M Janvier | 6 | 6 | M Janvier | 6 | 6 | ||||||||||||||||||||||
| J Sousa | 6 | 3 | 6 | 2 | A Ramos Viñolas | 2 | 4 | ||||||||||||||||||||
 FC Jianu | 3 | 6 | 1 | J Sousa | 4 | 63 | |||||||||||||||||||||
 J Kovalík | 4 | 3 | 2 | A Ramos Viñolas | 6 | 77 | |||||||||||||||||||||
| 2 | A Ramos Viñolas | 6 | 6 | ||||||||||||||||||||||||
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