| Men's singles | |
|---|---|
| 2024 Porto Open | |
| Champion |  August Holmgren |
| Runner-up |  Alejandro Moro Cañas |
| Score | 7–6(7–3), 7–6(8–6) |
Luca Nardi was the defending champion [1] but chose not to defend his title.
August Holmgren won the title after defeating Alejandro Moro Cañas 7–6(7–3), 7–6(8–6) in the final.
Lukáš Klein (second round)
Richard Gasquet (withdrew)
Mikhail Kukushkin (semifinals) Lucas Pouille (withdrew)
Jaime Faria (semifinals, retired) Alejandro Moro Cañas (final) Henrique Rocha (second round) Timofey Skatov (second round)| Semifinals | Final | ||||||||||||
| 6 | Alejandro Moro Cañas | 6 | 4 | ||||||||||
| 5 | Jaime Faria | 3 | 1r | ||||||||||
| 6 | Alejandro Moro Cañas | 63 | 66 | ||||||||||
| August Holmgren | 77 | 78 | |||||||||||
| 3 | Mikhail Kukushkin | 78 | 5 | 65 | |||||||||
| August Holmgren | 66 | 7 | 77 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | L Klein | 6 | 64 | 6 | |||||||||||||||||||||||
 E Gerasimov | 3 | 77 | 1 | 1 | L Klein | 4 | 68 | ||||||||||||||||||||
| Q |  E Butvilas | 6 | 6 | Q | E Butvilas | 6 | 710 | ||||||||||||||||||||
| R Bertrand | 2 | 3 | Q | E Butvilas | 6 | 68 | 4 | ||||||||||||||||||||
 A Dougaz | 4 | 2 | 6 | A Moro Cañas | 4 | 710 | 6 | ||||||||||||||||||||
 A Blockx | 6 | 6 | A Blockx | 60 | 4 | ||||||||||||||||||||||
| A Escoffier | 6 | 5 | 1 | 6 | A Moro Cañas | 77 | 6 | ||||||||||||||||||||
| 6 | A Moro Cañas | 4 | 7 | 6 | 6 | A Moro Cañas | 6 | 4 | |||||||||||||||||||
| LL |  Vadym Ursu | 6 | 6 | 5 | J Faria | 3 | 1r | ||||||||||||||||||||
| WC | Francisco Rocha | 1 | 4 | LL | V Ursu | 6 | 6 | ||||||||||||||||||||
| Alt | G Elias | 6 | 77 | Alt | G Elias | 2 | 3 | ||||||||||||||||||||
 S Fanselow | 3 | 61 | LL | V Ursu | 78 | 3 | 5 | ||||||||||||||||||||
| Jules Marie | 3 | 1 | 5 | J Faria | 66 | 6 | 7 | ||||||||||||||||||||
| WC | J Domingues | 6 | 6 | WC | J Domingues | 6 | 3 | 4 | |||||||||||||||||||
 Z Piros | 1 | 2 | 5 | J Faria | 0 | 6 | 6 | ||||||||||||||||||||
| 5 | J Faria | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 7 | H Rocha | 6 | 6 | ||||||||||||||||||||||||
| Q | K de Schepper | 2 | 4 | 7 | H Rocha | 2 | 3 | ||||||||||||||||||||
| SE | Àlex Martínez | 713 | 5 | 6 | SE | À Martínez | 6 | 6 | |||||||||||||||||||
| Q |  H Searle | 611 | 7 | 3 | SE | À Martínez | 4 | 1 | |||||||||||||||||||
| V Royer | 65 | 77 | 65 | 3 | M Kukushkin | 6 | 6 | ||||||||||||||||||||
| J De Loore | 77 | 63 | 77 | J De Loore | 64 | 3 | |||||||||||||||||||||
| LL |  Cui Jie | 6 | 2 | 1 | 3 | M Kukushkin | 77 | 6 | |||||||||||||||||||
| 3 | M Kukushkin | 3 | 6 | 6 | 3 | M Kukushkin | 78 | 5 | 65 | ||||||||||||||||||
| 8 | T Skatov | 6 | 6 | A Holmgren | 66 | 7 | 77 | ||||||||||||||||||||
| WC | F Ferreira Silva | 3 | 3 | 8 | T Skatov | 66 | 65 | ||||||||||||||||||||
| A Holmgren | 6 | 1 | 6 | A Holmgren | 78 | 77 | |||||||||||||||||||||
| M Geerts | 4 | 6 | 3 | A Holmgren | 6 | 4 | 6 | ||||||||||||||||||||
| A Kachmazov | 6 | 7 | Q | A Reymond | 2 | 6 | 3 | ||||||||||||||||||||
| Q | Alejo Sánchez Quílez | 1 | 5 | A Kachmazov | 4 | 64 | |||||||||||||||||||||
| Q |  R Olivo | 65 | 2 | Q | A Reymond | 6 | 77 | ||||||||||||||||||||
| Q | A Reymond | 77 | 6 | ||||||||||||||||||||||||
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