# 2024 Olbia Challenger – Singles

Kyrian Jacquet was the defending champion but chose not to defend his title.
Martín Landaluce won the title after defeating Mattia Bellucci 6–4, 6–4 in the final.

## Seeds

* Luca Nardi (first round, retired)
* Mattia Bellucci (final)
* Harold Mayot (first round)
* Duje Ajduković (second round)
* Marco Trungelliti (second round)
* Constant Lestienne (quarterfinals)
* Matteo Gigante (semifinals)
* Jan Choinski (first 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 |
| 7 | Matteo Gigante | 1 | 3 | | | | | |
| | Martín Landaluce | 6 | 6 | | | | | |
| | Martín Landaluce | 6 | 6 | | | Martín Landaluce | 6 | 6 |
| | | | | | 2/WC | Mattia Bellucci | 4 | 4 |
| | Dalibor Svrčina | 6$^5$ | 6 | 3 | 2/WC | Mattia Bellucci | 4 | 4 |
| 2/WC | Mattia Bellucci | 7$^7$ | 3 | 6 | | | | |

### Top 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 |
| 1/WC | L Nardi | 5 | 1$^r$ | | | | | | | | | | | | | | |
| | J Barranco Cosano | 7 | 4 | | | J Barranco Cosano | 6 | 6 | | | | | | | | | |
| Q | O Krutykh | 7 | 3 | 5 | | Em Nava | 4 | 3 | | | | | | | | | |
| | Em Nava | 5 | 6 | 7 | | | | | | J Barranco Cosano | 6$^7$ | 7 | 3 | | | | |
| Q | S Diez | 6 | 3 | 0 | | | | | 7 | M Gigante | 7$^9$ | 5 | 6 | | | | |
| Q | L Lokoli | 4 | 6 | 6 | Q | L Lokoli | 1 | 1 | | | | | | | | | |
| | R Molleker | 2 | 2 | | 7 | M Gigante | 6 | 6 | | | | | | | | | |
| 7 | M Gigante | 6 | 6 | | | | | | | | | | | 7 | M Gigante | 1 | 3 |
| 3 | H Mayot | 1 | 2 | | | | | | | | | | | | M Landaluce | 6 | 6 |
| | M Landaluce | 6 | 6 | | | M Landaluce | 6 | 7$^8$ | | | | | | | | | |
| | S Travaglia | 7 | 6 | | | S Travaglia | 4 | 6$^6$ | | | | | | | | | |
| Alt | J Berrettini | 5 | 0 | | | | | | | M Landaluce | 2 | 6 | 6 | | | | |
| | E Dalla Valle | 4 | 3 | | | | | | | A Vavassori | 6 | 1 | 2 | | | | |
| Q | D Mérida | 6 | 6 | | Q | D Mérida | 4 | 6$^1$ | | | | | | | | | |
| | A Vavassori | 6 | 6 | | | A Vavassori | 6 | 7$^7$ | | | | | | | | | |
| 8 | J Choinski | 4 | 0 | | | | | | | | | | | | | | |

### 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 |
| 5 | M Trungelliti | 3 | 6 | 7 | | | | | | | | | | | | | | |
| | C Taberner | 6 | 3 | 5 | 5 | M Trungelliti | 4 | 6$^4$ | | | | | | | | | | |
| | Samuel Vincent Ruggeri | 6 | 6 | | | S Vincent Ruggeri | 6 | 7$^7$ | | | | | | | | | | |
| | B Paire | 3 | 2 | | | | | | | S Vincent Ruggeri | 6 | 0 | 4 | | | | | |
| | D Svrčina | 6 | 6 | | | | | | | D Svrčina | 3 | 6 | 6 | | | | | |
| | F Arnaboldi | 0 | 0 | | | D Svrčina | 6 | 7 | | | | | | | | | | |
| | M Poljičak | 2$^r$ | | | 4 | D Ajduković | 1 | 5 | | | | | | | | | | |
| 4 | D Ajduković | 3 | | | | | | | | | | | | | D Svrčina | 6$^5$ | 6 | 3 |
| 6 | C Lestienne | 6 | 6 | | | | | | | | | | | 2/WC | M Bellucci | 7$^7$ | 3 | 6 |
| Q | S Fomin | 0 | 3 | | 6 | C Lestienne | 6 | 6 | | | | | | | | | | |
| | R Bertola | 6 | 6$^3$ | 7 | | R Bertola | 2 | 2 | | | | | | | | | | |
| WC | F Cinà | 4 | 7$^7$ | 5 | | | | | 6 | C Lestienne | 6$^2$ | 7$^7$ | 5 | | | | | |
| Q | Hynek Bartoň | 6 | 3 | 7 | | | | | 2/WC | M Bellucci | 7$^7$ | 6$^5$ | 7 | | | | | |
| Alt | D Novak | 1 | 6 | 5 | Q | H Bartoň | 3 | 2 | | | | | | | | | | |
| | M Janvier | 3 | 4 | | 2/WC | M Bellucci | 6 | 6 | | | | | | | | | | |
| 2/WC | M Bellucci | 6 | 6 | | | | | | | | | | | | | | | |