# 2023 Internazionali di Tennis d'Abruzzo – Singles

Matteo Arnaldi was the defending champion but chose not to defend his title.
Alejandro Tabilo won the title after defeating Benoît Paire 6–1, 7–5 in the final.

## Seeds

* Liam Broady (withdrew)
* Thiago Agustín Tirante (quarterfinals)
* Alejandro Tabilo (champion)
* Benoît Paire (final)
* Kimmer Coppejans (quarterfinals)
* Dimitar Kuzmanov (second round)
* Nicholas David Ionel (semifinals)
* Nicolas Moreno de Alboran (second round)
* Raphaël Collignon (quarterfinals)

## 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 | Final | Final | Final | Final |
| | Lorenzo Giustino | 3 | 2 | | | | |
| 4 | Benoît Paire | 6 | 6 | | | | |
| 4 | Benoît Paire | 6 | 6 | 4 | Benoît Paire | 1 | 5 |
| | | | | 3 | Alejandro Tabilo | 6 | 7 |
| 3 | Alejandro Tabilo | 6 | 7$^8$ | 3 | Alejandro Tabilo | 6 | 7 |
| 7 | Nicholas David Ionel | 1 | 6$^6$ | | | | |

### 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 |
| 9 | R Collignon | 6 | 6 | | | | | | | | | | | | | | | |
| | R Pacheco Méndez | 3 | 0 | | 9 | R Collignon | 6 | 6 | | | | | | | | | | |
| | G Onclin | 3 | 0 | | Q | S Travaglia | 3 | 4 | | | | | | | | | | |
| Q | S Travaglia | 6 | 6 | | | | | | | 9 | R Collignon | 6$^5$ | 2 | | | | | |
| | L Giustino | 7 | 6 | | | | | | | | L Giustino | 7$^7$ | 6 | | | | | |
| Alt | M Kukushkin | 5 | 1 | | | L Giustino | 1 | 7$^7$ | 6 | | | | | | | | | |
| | D Svrčina | 4 | 4 | | 6 | D Kuzmanov | 6 | 6$^1$ | 2 | | | | | | | | | |
| 6 | D Kuzmanov | 6 | 6 | | | | | | | | | | | | | L Giustino | 3 | 2 |
| 4 | B Paire | 3 | 6 | 7$^{15}$ | | | | | | | | | | | 4 | B Paire | 6 | 6 |
| WC | Giorgio Tabacco | 6 | 4 | 6$^{13}$ | 4 | B Paire | 7 | 7 | | | | | | | | | | |
| Alt | A Giannessi | 3 | 6 | 6 | Alt | A Giannessi | 5 | 5 | | | | | | | | | | |
| | M Trungelliti | 6 | 3 | 4 | | | | | | 4 | B Paire | 6 | 3 | 6 | | | | |
| Alt | G Mager | 7$^7$ | 5 | 7$^8$ | | | | | | Alt | G Mager | 1 | 6 | 3 | | | | |
| WC | Gabriele Piraino | 6$^2$ | 7 | 6$^6$ | Alt | G Mager | 2 | 7$^{11}$ | 6 | | | | | | | | | |
| | A Dougaz | 4 | 2 | | 8 | N Moreno de Alboran | 6 | 6$^9$ | 1 | | | | | | | | | |
| 8 | N Moreno de Alboran | 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 |
| 5 | K Coppejans | 5 | 6 | 6 | | | | | | | | | | | | | |
| | R Olivo | 7 | 1 | 4 | 5 | K Coppejans | 6 | 6 | | | | | | | | | |
| Q | D Ajduković | 6 | 6 | | Q | D Ajduković | 3 | 2 | | | | | | | | | |
| Q | A Arnaboldi | 2 | 2 | | | | | | 5 | K Coppejans | 2 | 2 | | | | | |
| Alt | S Caruso | 6 | 1 | 6$^3$ | | | | | 3 | A Tabilo | 6 | 6 | | | | | |
| Q | G Fonio | 3 | 6 | 7$^7$ | Q | G Fonio | 4 | 6$^5$ | | | | | | | | | |
| | F Ferreira Silva | 5 | 3 | | 3 | A Tabilo | 6 | 7$^7$ | | | | | | | | | |
| 3 | A Tabilo | 7 | 6 | | | | | | | | | | | 3 | A Tabilo | 6 | 7$^8$ |
| 7 | ND Ionel | 6 | 6 | | | | | | | | | | | 7 | ND Ionel | 1 | 6$^6$ |
| | N Mejía | 4 | 4 | | 7 | ND Ionel | 6 | 6 | | | | | | | | | |
| Q | Edoardo Lavagno | 6 | 6 | | Q | E Lavagno | 4 | 3 | | | | | | | | | |
| | J de Jong | 0 | 4 | | | | | | 7 | ND Ionel | 6 | 3 | 6 | | | | |
| Alt | Elmar Ejupovic | 6 | 6 | | | | | | 2 | TA Tirante | 2 | 6 | 3 | | | | |
| Q | M Echargui | 2 | 6$^r$ | | Alt | E Ejupovic | 3 | 2 | | | | | | | | | |
| WC | Fausto Tabacco | 1 | 6$^7$ | | 2 | TA Tirante | 6 | 6 | | | | | | | | | |
| 2 | TA Tirante | 6 | 7$^9$ | | | | | | | | | | | | | | |