# 2023 Challenger de Tigre II – Singles

Juan Manuel Cerúndolo was the defending champion and successfully defended his title, defeating Jesper de Jong 6–3, 2–6, 6–2 in the final.

## Seeds

* Camilo Ugo Carabelli (second round)
* Juan Manuel Cerúndolo (champion)
* Mariano Navone (quarterfinals)
* Andrea Collarini (semifinals)
* Juan Bautista Torres (quarterfinals)
* Hernán Casanova (first round)
* Alessandro Giannessi (semifinals)
* Oriol Roca Batalla (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 | Final |
| | Jesper de Jong | 6 | 5 | 6 | | | | | |
| 7 | Alessandro Giannessi | 4 | 7 | 1 | | | | | |
| 7 | Alessandro Giannessi | 4 | 7 | 1 | | Jesper de Jong | 3 | 6 | 2 |
| | | | | | 2 | Juan Manuel Cerúndolo | 6 | 2 | 6 |
| 4 | Andrea Collarini | 3 | 1 | | 2 | Juan Manuel Cerúndolo | 6 | 2 | 6 |
| 2 | Juan Manuel Cerúndolo | 6 | 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 | Semifinals |
| 1/WC | C Ugo Carabelli | 7$^7$ | 4 | | | | | | | | | | | | | | | |
| Q | T Seyboth Wild | 6$^4$ | 0$^r$ | | 1/WC | C Ugo Carabelli | 4 | 1 | | | | | | | | | | |
| Q | MF Descotte | 2 | 2 | | | J de Jong | 6 | 6 | | | | | | | | | | |
| | J de Jong | 6 | 6 | | | | | | | J de Jong | 6 | 7$^7$ | | | | | | |
| | G Villanueva | 6 | 2 | 6 | | | | | | G Villanueva | 2 | 6$^0$ | | | | | | |
| | E Zhu | 1 | 6 | 2 | | G Villanueva | 6 | 6 | | | | | | | | | | |
| Q | C Sánchez Jover | 6$^6$ | 6 | 7 | Q | C Sánchez Jover | 4 | 2 | | | | | | | | | | |
| 6 | H Casanova | 7$^8$ | 4 | 5 | | | | | | | | | | | J de Jong | 6 | 5 | 6 |
| 3 | M Navone | 6 | 6 | | | | | | | | | | | 7 | A Giannessi | 4 | 7 | 1 |
| WC | V Aboian | 3 | 2 | | 3 | M Navone | 6 | 7 | | | | | | | | | | |
| | Alexander Weis | 5 | 0$^r$ | | | T Stodder | 2 | 5 | | | | | | | | | | |
| | Timo Stodder | 7 | 3 | | | | | | 3 | M Navone | 7$^8$ | 5 | 1 | | | | | |
| | P Boscardin Dias | 5 | 6 | 6 | | | | | 7 | A Giannessi | 6$^6$ | 7 | 6 | | | | | |
| Q | Jurgen Briand | 7 | 2 | 2 | | P Boscardin Dias | 2 | 2 | | | | | | | | | | |
| | JI Londero | 4$^r$ | | | 7 | A Giannessi | 6 | 6 | | | | | | | | | | |
| 7 | A Giannessi | 3 | | | | | | | | | | | | | | | | |

### 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 |
| 8 | O Roca Batalla | 2 | 5 | | | | | | | | | | | | | | |
| | JL Reis da Silva | 6 | 7 | | | JL Reis da Silva | 3 | 2 | | | | | | | | | |
| Alt | R Bertola | 6 | 5 | 1 | | T Atmane | 6 | 6 | | | | | | | | | |
| | T Atmane | 4 | 7 | 6 | | | | | | | T Atmane | 4 | 1 | | | | |
| Alt | M Echargui | 4 | 6 | 6 | | | | | | 4 | A Collarini | 6 | 6 | | | | |
| | T Droguet | 6 | 1 | 0 | Alt | M Echargui | 6$^6$ | 6$^3$ | | | | | | | | | |
| Q | O Prihodko | 1 | 4 | | 4 | A Collarini | 7$^8$ | 7$^7$ | | | | | | | | | |
| 4 | A Collarini | 6 | 6 | | | | | | | | | | | 4 | A Collarini | 3 | 1 |
| 5 | JB Torres | 7 | 6 | | | | | | | | | | | 2 | JM Cerúndolo | 6 | 6 |
| | M Dellien | 5 | 4 | | 5 | JB Torres | 6 | 6 | | | | | | | | | |
| | F Comesaña | 3 | 4 | | WC | T Farjat | 4 | 1 | | | | | | | | | |
| WC | Tomás Farjat | 6 | 6 | | | | | | | 5 | JB Torres | 2 | 6$^2$ | | | | |
| | Y-s Chung | 3 | 1 | | | | | | | 2 | JM Cerúndolo | 6 | 7$^7$ | | | | |
| Q | Edoardo Lavagno | 6 | 6 | | Q | E Lavagno | 5 | 6 | 2 | | | | | | | | |
| | D Dutra da Silva | 2 | 1 | | 2 | JM Cerúndolo | 7 | 4 | 6 | | | | | | | | |
| 2 | JM Cerúndolo | 6 | 6 | | | | | | | | | | | | | | |