# 2023 Challenger de Tigre – Singles

Camilo Ugo Carabelli was the defending champion but chose not to defend his title.
Juan Manuel Cerúndolo won the title after defeating Murkel Dellien 4–6, 6–4, 6–2 in the final.

## Seeds

* Juan Manuel Cerúndolo (champion)
* Andrea Collarini (first round)
* Juan Bautista Torres (first round)
* Hernán Casanova (second round)
* Alessandro Giannessi (semifinals)
* Oriol Roca Batalla (first round)
* Francisco Comesaña (first round)
* Juan Ignacio Londero (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 | Final |
| 1 | Juan Manuel Cerúndolo | 6 | 7 | | | | | |
| 5 | Alessandro Giannessi | 3 | 5 | | | | | |
| 5 | Alessandro Giannessi | 3 | 5 | 1 | Juan Manuel Cerúndolo | 4 | 6 | 6 |
| | | | | | Murkel Dellien | 6 | 4 | 2 |
| | Murkel Dellien | 6 | 6 | | Murkel Dellien | 6 | 4 | 2 |
| | Gonzalo Villanueva | 4 | 0 | | | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | JM Cerúndolo | 6 | 6 | | | | | | | | | | | | | | |
| | T Droguet | 4 | 2 | | 1 | JM Cerúndolo | 3 | 6 | 6 | | | | | | | | |
| Q | T Seyboth Wild | 7$^7$ | 6 | | Q | T Seyboth Wild | 6 | 1 | 4 | | | | | | | | |
| | Timo Stodder | 6$^4$ | 2 | | | | | | | 1 | JM Cerúndolo | 6 | 6 | | | | |
| | J de Jong | 6 | 6 | | | | | | | WC | G Andreozzi | 3 | 1 | | | | |
| Q | JP Paz | 1 | 3 | | | J de Jong | 6 | 4 | 4 | | | | | | | | |
| WC | G Andreozzi | 1 | 6 | 7$^7$ | WC | G Andreozzi | 2 | 6 | 6 | | | | | | | | |
| 7 | F Comesaña | 6 | 2 | 6$^5$ | | | | | | | | | | 1 | JM Cerúndolo | 6 | 7 |
| 4 | H Casanova | 7 | 6 | | | | | | | | | | | 5 | A Giannessi | 3 | 5 |
| | M Echargui | 5 | 1 | | 4 | H Casanova | 3 | 3 | | | | | | | | | |
| | Edoardo Lavagno | 6$^4$ | 4 | | WC | L Midón | 6 | 6 | | | | | | | | | |
| WC | L Midón | 7$^7$ | 6 | | | | | | | WC | L Midón | 5 | 1 | | | | |
| | Andrey Chepelev | 5 | | | | | | | | 5 | A Giannessi | 7 | 6 | | | | |
| | P Boscardin Dias | 2$^r$ | | | | A Chepelev | 4 | 4 | | | | | | | | | |
| WC | Luciano Emanuel Ambrogi | 5 | 0 | | 5 | A Giannessi | 6 | 6 | | | | | | | | | |
| 5 | A Giannessi | 7 | 6 | | | | | | | | | | | | | | |

### 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 | Quarterfinals | Semifinals | Semifinals | Semifinals |
| 8 | JI Londero | 6 | 6 | | | | | | | | | | | | | | |
| | Mathys Erhard | 0 | 4 | | 8 | JI Londero | 6 | 6 | | | | | | | | | |
| | D Dutra da Silva | 7$^7$ | 6 | | | D Dutra da Silva | 2 | 4 | | | | | | | | | |
| | E Zhu | 6$^4$ | 2 | | | | | | | 8 | JI Londero | 1 | 3 | | | | |
| Q | C Sánchez Jover | 6 | 6 | | | | | | | | M Dellien | 6 | 6 | | | | |
| | Alexander Weis | 4 | 2 | | Q | C Sánchez Jover | 6$^5$ | 2 | | | | | | | | | |
| | M Dellien | 6 | 1 | 7$^{10}$ | | M Dellien | 7$^7$ | 6 | | | | | | | | | |
| 3 | JB Torres | 1 | 6 | 6$^8$ | | | | | | | | | | | M Dellien | 6 | 6 |
| 6 | O Roca Batalla | 2 | 6 | 3 | | | | | | | | | | | G Villanueva | 4 | 0 |
| | G Villanueva | 6 | 2 | 6 | | G Villanueva | 6 | 6 | | | | | | | | | |
| | R Bertola | 6 | 2 | 6 | | R Bertola | 2 | 3 | | | | | | | | | |
| Q | MF Descotte | 3 | 6 | 4 | | | | | | | G Villanueva | 7 | 6$^5$ | 6 | | | |
| | T Atmane | 6 | 3 | 6$^7$ | | | | | | Q | V Aboian | 5 | 7$^7$ | 4 | | | |
| Q | Alex Barrena | 1 | 6 | 7$^9$ | Q | A Barrena | 6$^1$ | 6 | 2 | | | | | | | | |
| Q | V Aboian | 5 | 6 | 7$^7$ | Q | V Aboian | 7$^7$ | 3 | 6 | | | | | | | | |
| 2 | A Collarini | 7 | 1 | 6$^3$ | | | | | | | | | | | | | |