# 2019 Challenger ATP Cachantún Cup – Singles

Marco Cecchinato was the defending champion but chose not to defend his title.
Hugo Dellien won the title after defeating Wu Tung-lin 5–7, 7–6$^{(7–1)}$, 6–1 in the final.

## Seeds

All seeds receive a bye into the second round.
* Pablo Andújar (semifinals)
* Hugo Dellien (champion)
* Thiago Monteiro (quarterfinals)
* Rogério Dutra Silva (third round)
* Facundo Bagnis (third round)
* Alessandro Giannessi (quarterfinals)
* Pedro Martínez (quarterfinals)
* Daniel Gimeno Traver (third round)
* Facundo Argüello (third round)
* Kimmer Coppejans (quarterfinals)
* Matteo Donati (second round)
* João Domingues (second round)
* Gian Marco Moroni (third round)
* Federico Gaio (third round)
* Thomaz Bellucci (semifinals)
* Andrej Martin (third 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

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 1/WC | Pablo Andújar | 7 | 7 | | | | | | | | | | |
| 7 | Pedro Martínez | 5 | 5 | | | | | | | | | | |
| 7 | Pedro Martínez | 5 | 5 | | 1/WC | Pablo Andújar | 2 | 3 | | | | | |
| | | | | | | Wu Tung-lin | 6 | 6 | | | | | |
| 3 | Thiago Monteiro | 7 | 4 | 5 | | Wu Tung-lin | 6 | 6 | | | | | |
| | Wu Tung-lin | 5 | 6 | 7 | | | | | | | | | |
| | Wu Tung-lin | 5 | 6 | 7 | | | | | | Wu Tung-lin | 7 | 6$^1$ | 1 |
| | | | | | | | | | 2 | Hugo Dellien | 5 | 7$^7$ | 6 |
| 6 | Alessandro Giannessi | 6 | 4 | 4 | | | | | | | | | | 2 | Hugo Dellien | 5 | 7$^7$ | 6 |
| 15 | Thomaz Bellucci | 3 | 6 | 6 | | | | | | | | | |
| 15 | Thomaz Bellucci | 3 | 6 | 6 | 15 | Thomaz Bellucci | 4 | 0 | | | | | |
| | | | | | 2 | Hugo Dellien | 6 | 6 | | | | | |
| 10 | Kimmer Coppejans | 4 | 2 | | 2 | Hugo Dellien | 6 | 6 | | | | | |
| 2 | Hugo Dellien | 6 | 6 | | | | | | | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 1/WC | P Andújar | 6 | 4 | 6 | | | | | | | | |
| | P Sakamoto | 6 | 2 | 3 | | T Seyboth Wild | 4 | 6 | 2 | | | | | | | | |
| | T Seyboth Wild | 2 | 6 | 6 | | | | | | 1/WC | P Andújar | 6 | 6 | | | | |
| | A Müller | 6 | 6$^4$ | 1 | | | | | | 14 | F Gaio | 3 | 3 | | | | |
| Q | G Villanueva | 4 | 7$^7$ | 6 | Q | G Villanueva | 6 | 3 | 3 | | | | | | | | |
| | | | | | 14 | F Gaio | 3 | 6 | 6 | | | | | | | | |
| | | | | | | | | | | | | | | 1/WC | P Andújar | 7 | 7 |
| | | | | | | | | | | | | | | 7 | P Martínez | 5 | 5 |
| | | | | | 12 | J Domingues | 3 | 3 | | | | | | | | | |
| | C Taberner | 6 | 3 | 6 | | C Taberner | 6 | 6 | | | | | | | | | |
| | M Cuevas | 3 | 6 | 1 | | | | | | | C Taberner | 5 | 5 | | | | |
| | J Härteis | 6 | 0 | 6 | | | | | | 7 | P Martínez | 7 | 7 | | | | |
| | S Nagal | 4 | 6 | 3 | | J Härteis | 1 | 4 | | | | | | | | | |
| | | | | | 7 | P Martínez | 6 | 6 | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 3 | T Monteiro | 6 | 6 | | | | | | | | | | |
| | JP Varillas | 2 | 6 | 6 | | JP Varillas | 4 | 3 | | | | | | | | | | |
| | F Coria | 6 | 4 | 3 | | | | | 3 | T Monteiro | 7$^7$ | 2 | 6 | | | | | |
| PR | F Mena | 6$^4$ | 2 | | | | | | 16 | A Martin | 6$^3$ | 6 | 3 | | | | | |
| ITF | MF Descotte | 7$^7$ | 6 | | ITF | MF Descotte | 1 | 3 | | | | | | | | | | |
| | | | | | 16 | A Martin | 6 | 6 | | | | | | | | | | |
| | | | | | | | | | | | | | | 3 | T Monteiro | 7 | 4 | 5 |
| | | | | | | | | | | | | | | | T-l Wu | 5 | 6 | 7 |
| | | | | | 11 | M Donati | 3 | 4 | | | | | | | | | | |
| | T-l Wu | 6 | 6 | | | T-l Wu | 6 | 6 | | | | | | | | | | |
| | A González | 2 | 4 | | | | | | | T-l Wu | 2 | 6 | 6 | | | | | |
| WC | Bastián Malla | 6 | 6 | | | | | | 5 | F Bagnis | 6 | 1 | 3 | | | | | |
| | Carlos Boluda-Purkiss | 3 | 1 | | WC | B Malla | 4 | 3 | | | | | | | | | | |
| | | | | | 5 | F Bagnis | 6 | 6 | | | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 6 | A Giannessi | 7$^7$ | 5 | 6 | | | | | | | | | | |
| | A Rinderknech | 4 | 6 | 1 | | A Collarini | 6$^5$ | 7 | 4 | | | | | | | | | | |
| | A Collarini | 6 | 1 | 6 | | | | | | 6 | A Giannessi | 4 | 6 | 6 | | | | | |
| ITF | J Souza | 6 | 6 | | | | | | | 9 | F Argüello | 6 | 4 | 1 | | | | | |
| | G Granollers | 1 | 3 | | ITF | J Souza | 6 | 3 | 4 | | | | | | | | | | |
| | | | | | 9 | F Argüello | 4 | 6 | 6 | | | | | | | | | | |
| | | | | | | | | | | | | | | | 6 | A Giannessi | 6 | 4 | 4 |
| | | | | | | | | | | | | | | | 15 | T Bellucci | 3 | 6 | 6 |
| | | | | | 15 | T Bellucci | 7 | 6 | | | | | | | | | | | |
| | R Olivo | 7$^8$ | 6 | | | R Olivo | 5 | 4 | | | | | | | | | | | |
| WC | Víctor Núñez | 6$^6$ | 3 | | | | | | | 15 | T Bellucci | 6 | 6 | | | | | | |
| WC | A Tabilo | 4 | 4 | | | | | | | 4 | R Dutra Silva | 2 | 2 | | | | | | |
| ITF | C Ugo Carabelli | 6 | 6 | | ITF | C Ugo Carabelli | 3 | 6 | 2 | | | | | | | | | | |
| | | | | | 4 | R Dutra Silva | 6 | 3 | 6 | | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 8 | D Gimeno Traver | 6 | 6 | | | | | | | | | | |
| | G Escobar | 6 | 2 | 6 | | G Escobar | 3 | 4 | | | | | | | | | | |
| | MT Barrios Vera | 3 | 6 | 3 | | | | | | 8 | D Gimeno Traver | 1 | 6 | 1 | | | | |
| WC | G Lama | 3 | 6 | 6 | | | | | | 10 | K Coppejans | 6 | 3 | 6 | | | | |
| Q | F Cerúndolo | 6 | 4 | 3 | WC | G Lama | 4 | 2 | | | | | | | | | | |
| | | | | | 10 | K Coppejans | 6 | 6 | | | | | | | | | | |
| | | | | | | | | | | | | | | | 10 | K Coppejans | 4 | 2 |
| | | | | | | | | | | | | | | | 2 | H Dellien | 6 | 6 |
| | | | | | 13 | GM Moroni | 6 | 6$^9$ | 6 | | | | | | | | | |
| | Tobias Simon | 4 | 4 | | | E Gómez | 3 | 7$^{11}$ | 3 | | | | | | | | | |
| | E Gómez | 6 | 6 | | | | | | | 13 | GM Moroni | 6$^4$ | 2 | | | | | |
| ITF | J Menezes | 6 | 7$^7$ | | | | | | | 2 | H Dellien | 7$^7$ | 6 | | | | | |
| | A Avidzba | 2 | 6$^4$ | | ITF | J Menezes | 6 | 4 | 4 | | | | | | | | | |
| | | | | | 2 | H Dellien | 4 | 6 | 6 | | | | | | | | | |