# 2023 Internazionali di Tennis del Friuli Venezia Giulia – Men's singles

Zhang Zhizhen was the defending champion but chose not to defend his title.
Matteo Gigante won the title after defeating Lukas Neumayer 6–0, 6–2 in the final.

## Seeds

* Dennis Novak (first round)
* Francesco Passaro (second round)
* Riccardo Bonadio (semifinals)
* Matteo Gigante (champion)
* Nicholas David Ionel (second round)
* Andrea Collarini (first round, retired)
* Edoardo Lavagno (second round)
* Román Andrés Burruchaga (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 | Final | Final | Final | Final |
| | Lukas Neumayer | 6 | 7$^{15}$ | | | | |
| 3 | Riccardo Bonadio | 2 | 6$^{13}$ | | | | |
| 3 | Riccardo Bonadio | 2 | 6$^{13}$ | | Lukas Neumayer | 0 | 2 |
| | | | | 4 | Matteo Gigante | 6 | 6 |
| 4 | Matteo Gigante | 7$^7$ | 6 | 4 | Matteo Gigante | 6 | 6 |
| WC | Enrico Dalla Valle | 6$^5$ | 2 | | | | |

### 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 | D Novak | 2 | 2 | | | | | | | | | | | | | | | |
| | M Martineau | 6 | 6 | | | M Martineau | 6 | 6 | | | | | | | | | | |
| | M Chazal | 2 | 6 | 6 | | M Chazal | 1 | 3 | | | | | | | | | | |
| | C-h Tseng | 6 | 3 | 4 | | | | | | | M Martineau | 6 | 4 | 0 | | | | |
| WC | G Ferrari | 4 | 2 | | | | | | | | L Neumayer | 1 | 6 | 6 | | | | |
| | L Neumayer | 6 | 6 | | | L Neumayer | 6 | 6 | | | | | | | | | | |
| Q | L Rottoli | 5 | 6 | 6 | Q | L Rottoli | 1 | 4 | | | | | | | | | | |
| 8 | RA Burruchaga | 7 | 3 | 3 | | | | | | | | | | | | L Neumayer | 6 | 7$^{15}$ |
| 3 | R Bonadio | 7 | 6 | | | | | | | | | | | | 3 | R Bonadio | 2 | 6$^{13}$ |
| | V Vacherot | 5 | 4 | | 3 | R Bonadio | 6 | 6 | | | | | | | | | | |
| | F Forti | 2 | 4 | | | F Maestrelli | 3 | 4 | | | | | | | | | | |
| | F Maestrelli | 6 | 6 | | | | | | | 3 | R Bonadio | 7 | 6 | | | | | |
| Q | Fausto Tabacco | 1 | 7 | 4 | | | | | | | C Sánchez Jover | 5 | 3 | | | | | |
| | C Sánchez Jover | 6 | 5 | 6 | | C Sánchez Jover | 1 | 6 | 6 | | | | | | | | | |
| | G Fonio | 3 | 7 | 5 | 5 | ND Ionel | 6 | 0 | 2 | | | | | | | | | |
| 5 | ND Ionel | 6 | 5 | 7 | | | | | | | | | | | | | | |

### Bottom 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | A Collarini | 2 | 0$^r$ | | | | | | | | | | | | | | |
| Q | Federico Iannaccone | 6 | 2 | | Q | F Iannaccone | 2 | 3 | | | | | | | | | |
| Q | Juan Bautista Otegui | 4 | 4 | | | H Casanova | 6 | 6 | | | | | | | | | |
| | H Casanova | 6 | 6 | | | | | | | | H Casanova | 1 | 6$^2$ | | | | |
| | C Taberner | 6 | 1 | 4 | | | | | | 4 | M Gigante | 6 | 7$^7$ | | | | |
| PR | B Rola | 2 | 6 | 6 | PR | B Rola | 5 | 2 | | | | | | | | | |
| Alt | V Orlov | 7$^7$ | 4 | 4 | 4 | M Gigante | 7 | 6 | | | | | | | | | |
| 4 | M Gigante | 6$^5$ | 6 | 6 | | | | | | | | | | 4 | M Gigante | 7$^7$ | 6 |
| 7 | Edoardo Lavagno | 6 | 4 | | | | | | | | | | | WC | E Dalla Valle | 6$^5$ | 2 |
| WC | F Arnaboldi | 0 | 1$^r$ | | 7 | E Lavagno | 6 | 2 | 1 | | | | | | | | |
| Q | FA Gómez | 2 | 6 | 7$^7$ | Q | FA Gómez | 4 | 6 | 6 | | | | | | | | |
| Q | G Villanueva | 6 | 3 | 6$^2$ | | | | | | Q | FA Gómez | 3 | 1 | | | | |
| | A López San Martín | 2 | 4 | | | | | | | WC | E Dalla Valle | 6 | 6 | | | | |
| WC | E Dalla Valle | 6 | 6 | | WC | E Dalla Valle | 6 | 6$^3$ | 6 | | | | | | | | |
| | M Vrbenský | 2 | 0 | | 2 | F Passaro | 1 | 7$^7$ | 1 | | | | | | | | |
| 2 | F Passaro | 6 | 6 | | | | | | | | | | | | | | |