| 2023 Antofagasta Challenger | |
|---|---|
| Date | 18–24 September |
| Edition | 1st |
| Surface | Clay |
| Location | Antofagasta, Chile |
| Champions | |
| Singles | |
 Camilo Ugo Carabelli | |
| Doubles | |
 Boris Arias / Federico Zeballos | |
The 2023 Antofagasta Challenger was a professional tennis tournament played on clay courts. It was the 1st edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Antofagasta, Chile between 18 and 24 September 2023.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| ARG | Juan Manuel Cerúndolo | 91 | 1 |
 CHI | Tomás Barrios Vera | 114 | 2 |
| CHI | Alejandro Tabilo | 124 | 3 |
| ARG | Genaro Alberto Olivieri | 138 | 4 |
| BOL | Hugo Dellien | 141 | 5 |
| ARG | Facundo Bagnis | 144 | 6 |
| ARG | Francisco Comesaña | 150 | 7 |
 ITA | Luciano Darderi | 177 | 8 |
1 Rankings are as of 11 September 2023. [1]
The following players received wildcards into the singles main draw:
The following players received entry into the singles main draw as alternates:
Tristan Boyer
Viktor Durasovic 
Eduardo Ribeiro The following players received entry from the qualifying draw:
Pedro Boscardin Dias Tomás Farjat Gilbert Klier Júnior Facundo Mena Ignacio Monzón Pedro Sakamoto Camilo Ugo Carabelli def. Tristan Boyer 3–6, 6–1, 7–5. Boris Arias / Federico Zeballos def. Luciano Darderi / Murkel Dellien 5–7, 6–4, [10–8].The 2017 Brest Challenger was a professional tennis tournament played on hard courts. It was the third edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Brest, France between 23 and 29 October 2017.
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