# 2022 Challenger del Biobío – Singles

This was the first edition of the tournament.
Tomás Martín Etcheverry won the title after defeating Hugo Dellien 6–3, 6–2 in the final.

## Seeds

* Hugo Dellien (final)
* Juan Pablo Varillas (quarterfinals)
* Tomás Martín Etcheverry (champion)
* Nicolás Jarry (second round)
* Tomás Barrios Vera (semifinals)
* Vít Kopřiva (first round)
* Camilo Ugo Carabelli (quarterfinals)
* Facundo Mena (second 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 |
| 1 | Hugo Dellien | 6 | 6 | | | | | |
| 5 | Tomás Barrios Vera | 3 | 0 | | | | | |
| 5 | Tomás Barrios Vera | 3 | 0 | | 1 | Hugo Dellien | 3 | 2 |
| | | | | | 3 | Tomás Martín Etcheverry | 6 | 6 |
| 3 | Tomás Martín Etcheverry | 2 | 6 | 6 | 3 | Tomás Martín Etcheverry | 6 | 6 |
| | Renzo Olivo | 6 | 2 | 4 | | | | |

### 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 | H Dellien | 6 | 6 | | | | | | | | | | | | | | | |
| Q | D Dutra da Silva | 1 | 0 | | 1 | H Dellien | 6 | 2 | | | | | | | | | | |
| Alt | P Jubb | 7 | 6 | | Alt | P Jubb | 1 | 0$^r$ | | | | | | | | | | |
| Alt | GA Olivieri | 5 | 3 | | | | | | | 1 | H Dellien | 6 | 6 | | | | | |
| | TA Tirante | 7$^7$ | 6 | | | | | | | | TA Tirante | 0 | 3 | | | | | |
| WC | Daniel Antonio Núñez | 6$^5$ | 3 | | | TA Tirante | 7$^7$ | 6 | | | | | | | | | | |
| Alt | E Furness | 6 | 6 | | Alt | E Furness | 6$^4$ | 0 | | | | | | | | | | |
| 6 | V Kopřiva | 2 | 1 | | | | | | | | | | | | 1 | H Dellien | 6 | 6 |
| 4 | N Jarry | 6 | 6 | | | | | | | | | | | | 5 | T Barrios Vera | 3 | 0 |
| Q | G Villanueva | 2 | 1 | | 4 | N Jarry | 4 | 6 | 3 | | | | | | | | | |
| | P Cachin | 3 | 1$^r$ | | | M Pucinelli de Almeida | 6 | 3 | 6 | | | | | | | | | |
| | M Pucinelli de Almeida | 6 | 3 | | | | | | | | M Pucinelli de Almeida | 2 | 6 | 1 | | | | |
| Q | C Denolly | 6 | 6 | | | | | | | 5 | T Barrios Vera | 6 | 3 | 6 | | | | |
| | G Oliveira | 0 | 2 | | Q | C Denolly | 2 | 3 | | | | | | | | | | |
| Q | Facundo Juárez | 6 | 5 | 3 | 5 | T Barrios Vera | 6 | 6 | | | | | | | | | | |
| 5 | T Barrios Vera | 3 | 7 | 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 | Semifinals |
| 7 | C Ugo Carabelli | 3 | 6 | 7 | | | | | | | | | | | | | | |
| | G Melzer | 6 | 3 | 5 | 7 | C Ugo Carabelli | 6 | 6 | | | | | | | | | | |
| Q | JB Torres | 4 | 2 | | | S Diez | 1 | 2 | | | | | | | | | | |
| | S Diez | 6 | 6 | | | | | | 7 | C Ugo Carabelli | 6$^9$ | 6 | 5 | | | | | |
| WC | G Bueno | 4 | 4 | | | | | | 3 | TM Etcheverry | 7$^{11}$ | 4 | 7 | | | | | |
| | G Lama | 6 | 6 | | | G Lama | 3 | 6$^1$ | | | | | | | | | | |
| WC | D Fernández Flores | 1 | 7 | 2 | 3 | TM Etcheverry | 6 | 7$^7$ | | | | | | | | | | |
| 3 | TM Etcheverry | 6 | 5 | 6 | | | | | | | | | | 3 | TM Etcheverry | 2 | 6 | 6 |
| 8 | F Mena | 6 | 0 | | | | | | | | | | | | R Olivo | 6 | 2 | 4 |
| Q | H Casanova | 1 | 1$^r$ | | 8 | F Mena | 3 | 1 | | | | | | | | | | |
| | J de Jong | 6 | 6$^0$ | 2 | | R Olivo | 6 | 6 | | | | | | | | | | |
| | R Olivo | 1 | 7$^7$ | 6 | | | | | | R Olivo | 7$^7$ | 2 | 6 | | | | | |
| | A Collarini | 6 | 6 | | | | | | 2 | JP Varillas | 6$^2$ | 6 | 2 | | | | | |
| | N Kicker | 4 | 3 | | | A Collarini | 4 | 2 | | | | | | | | | | |
| | S Rodríguez Taverna | 6$^2$ | 6 | 3 | 2 | JP Varillas | 6 | 6 | | | | | | | | | | |
| 2 | JP Varillas | 7$^7$ | 4 | 6 | | | | | | | | | | | | | | |