# 2023 Piemonte Open – Singles

This was the first edition of the tournament.
Dominik Koepfer won the title after defeating Federico Gaio 6–7$^{(5–7)}$, 6–2, 6–0 in the final.

## Seeds

The top four seeds received a bye into the second round.
* Sebastián Báez (semifinals)
* Daniel Elahi Galán (semifinals)
* Juan Pablo Varillas (second round)
* Juan Manuel Cerúndolo (second round)
* Taro Daniel (second round)
* Yosuke Watanuki (first round)
* Aleksandar Kovacevic (first round)
* Oscar Otte (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 | Final |
| 1 | Sebastián Báez | 5 | 3 | | | | | |
| Q | Federico Gaio | 7 | 6 | | | | | |
| Q | Federico Gaio | 7 | 6 | Q | Federico Gaio | 7$^7$ | 2 | 0 |
| | | | | Alt | Dominik Koepfer | 6$^5$ | 6 | 6 |
| Alt | Dominik Koepfer | 6 | 6 | Alt | Dominik Koepfer | 6$^5$ | 6 | 6 |
| 2 | Daniel Elahi Galán | 4 | 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 | S Báez | 6 | 6 | | | | | | | | | | |
| Alt | R Bonadio | 6 | 6 | | Alt | R Bonadio | 4 | 2 | | | | | | | | | | |
| WC | Gabriele Piraino | 4 | 3 | | | | | | | 1 | S Báez | 6 | 3 | 6 | | | | |
| Alt | T Seyboth Wild | 6 | 6 | | | | | | | Alt | T Seyboth Wild | 4 | 6 | 3 | | | | |
| Alt | F Passaro | 2 | 0 | | Alt | T Seyboth Wild | 3 | 7$^7$ | 6 | | | | | | | | | |
| Alt | G Brouwer | 4 | 4 | | 5/Alt | T Daniel | 6 | 6$^3$ | 2 | | | | | | | | | |
| 5/Alt | T Daniel | 6 | 6 | | | | | | | | | | | | 1 | S Báez | 5 | 3 |
| | | | | | | | | | | | | | | | Q | F Gaio | 7 | 6 |
| | | | | | 4 | JM Cerúndolo | 5 | 4 | | | | | | | | | | |
| Alt | T Macháč | 6 | 5 | 1 | Alt | A Collarini | 7 | 6 | | | | | | | | | | |
| Alt | A Collarini | 4 | 7 | 6 | | | | | | Alt | A Collarini | 4 | 3 | | | | | |
| Alt | N Fatić | 6 | 3 | 4 | | | | | | Q | F Gaio | 6 | 6 | | | | | |
| Alt | C Ugo Carabelli | 4 | 6 | 6 | Alt | C Ugo Carabelli | 1 | 6 | 2$^r$ | | | | | | | | | |
| Q | F Gaio | 6 | 7 | | Q | F Gaio | 6 | 4 | 5 | | | | | | | | | |
| 8 | O Otte | 4 | 5 | | | | | | | | | | | | | | | |

### 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/Alt | Y Watanuki | 6 | 3 | 4 | | | | | | | | | | | | | |
| Q | S Caruso | 2 | 6 | 6 | Q | S Caruso | 4 | 1 | | | | | | | | | |
| WC | Edoardo Lavagno | 7 | 6 | | WC | E Lavagno | 6 | 6 | | | | | | | | | |
| Alt | L Darderi | 5 | 3 | | | | | | | WC | E Lavagno | 3 | 1 | | | | |
| Alt | D Koepfer | 6 | 6 | | | | | | | Alt | D Koepfer | 6 | 6 | | | | |
| Alt | G Zeppieri | 2 | 2 | | Alt | D Koepfer | 6 | 5 | 7 | | | | | | | | |
| | | | | | 3 | JP Varillas | 4 | 7 | 5 | | | | | | | | |
| | | | | | | | | | | | | | | Alt | D Koepfer | 6 | 6 |
| 7/Alt | A Kovacevic | 1 | 6$^9$ | | | | | | | | | | | 2 | DE Galán | 4 | 2 |
| LL | G Mager | 6 | 7$^{11}$ | | LL | G Mager | 7 | 2 | 6$^5$ | | | | | | | | |
| Q | Aleksandr Braynin | 3 | 3 | | WC | F Cobolli | 5 | 6 | 7$^7$ | | | | | | | | |
| WC | F Cobolli | 6 | 6 | | | | | | | WC | F Cobolli | 4 | 5 | | | | |
| Alt | O Virtanen | 1 | 7 | 4 | | | | | | 2 | DE Galán | 6 | 7 | | | | |
| Q | S Napolitano | 6 | 5 | 6 | Q | S Napolitano | 2 | 1 | | | | | | | | | |
| | | | | | 2 | DE Galán | 6 | 6 | | | | | | | | | |