# 2024 Porto Open – Men's singles

Luca Nardi was the defending champion 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.

## Seeds

* 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)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 6 | Alejandro Moro Cañas | 6 | 4 | | | | | |
| 5 | Jaime Faria | 3 | 1$^r$ | | | | | |
| 5 | Jaime Faria | 3 | 1$^r$ | | 6 | Alejandro Moro Cañas | 6$^3$ | 6$^6$ |
| | | | | | | August Holmgren | 7$^7$ | 7$^8$ |
| 3 | Mikhail Kukushkin | 7$^8$ | 5 | 6$^5$ | | August Holmgren | 7$^7$ | 7$^8$ |
| | August Holmgren | 6$^6$ | 7 | 7$^7$ | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | L Klein | 6 | 6$^4$ | 6 | | | | | | | | | | | | | | |
| | E Gerasimov | 3 | 7$^7$ | 1 | 1 | L Klein | 4 | 6$^8$ | | | | | | | | | | |
| Q | E Butvilas | 6 | 6 | | Q | E Butvilas | 6 | 7$^{10}$ | | | | | | | | | | |
| | R Bertrand | 2 | 3 | | | | | | | Q | E Butvilas | 6 | 6$^8$ | 4 | | | | |
| | A Dougaz | 4 | 2 | | | | | | | 6 | A Moro Cañas | 4 | 7$^{10}$ | 6 | | | | |
| | A Blockx | 6 | 6 | | | A Blockx | 6$^0$ | 4 | | | | | | | | | | |
| | A Escoffier | 6 | 5 | 1 | 6 | A Moro Cañas | 7$^7$ | 6 | | | | | | | | | | |
| 6 | A Moro Cañas | 4 | 7 | 6 | | | | | | | | | | | 6 | A Moro Cañas | 6 | 4 |
| LL | Vadym Ursu | 6 | 6 | | | | | | | | | | | | 5 | J Faria | 3 | 1$^r$ |
| WC | Francisco Rocha | 1 | 4 | | LL | V Ursu | 6 | 6 | | | | | | | | | | |
| Alt | G Elias | 6 | 7$^7$ | | Alt | G Elias | 2 | 3 | | | | | | | | | | |
| | S Fanselow | 3 | 6$^1$ | | | | | | | LL | V Ursu | 7$^8$ | 3 | 5 | | | | |
| | Jules Marie | 3 | 1 | | | | | | | 5 | J Faria | 6$^6$ | 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 | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | H Rocha | 6 | 6 | | | | | | | | | | | | | | | |
| Q | K de Schepper | 2 | 4 | | 7 | H Rocha | 2 | 3 | | | | | | | | | | |
| SE | Àlex Martínez | 7$^{13}$ | 5 | 6 | SE | À Martínez | 6 | 6 | | | | | | | | | | |
| Q | H Searle | 6$^{11}$ | 7 | 3 | | | | | SE | À Martínez | 4 | 1 | | | | | | |
| | V Royer | 6$^5$ | 7$^7$ | 6$^5$ | | | | | 3 | M Kukushkin | 6 | 6 | | | | | | |
| | J De Loore | 7$^7$ | 6$^3$ | 7$^7$ | | J De Loore | 6$^4$ | 3 | | | | | | | | | | |
| LL | J Cui | 6 | 2 | 1 | 3 | M Kukushkin | 7$^7$ | 6 | | | | | | | | | | |
| 3 | M Kukushkin | 3 | 6 | 6 | | | | | | | | | | 3 | M Kukushkin | 7$^8$ | 5 | 6$^5$ |
| 8 | T Skatov | 6 | 6 | | | | | | | | | | | | A Holmgren | 6$^6$ | 7 | 7$^7$ |
| WC | F Ferreira Silva | 3 | 3 | | 8 | T Skatov | 6$^6$ | 6$^5$ | | | | | | | | | | |
| | A Holmgren | 6 | 1 | 6 | | A Holmgren | 7$^8$ | 7$^7$ | | | | | | | | | | |
| | 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 | 6$^4$ | | | | | | | | | | |
| Q | R Olivo | 6$^5$ | 2 | | Q | A Reymond | 6 | 7$^7$ | | | | | | | | | | |
| Q | A Reymond | 7$^7$ | 6 | | | | | | | | | | | | | | | |