| 2023 Challenger de Buenos Aires | |
|---|---|
| Date | 9 – 15 October |
| Edition | 12th |
| Surface | Clay |
| Location | Buenos Aires, Argentina |
| Champions | |
| Singles | |
 Mariano Navone | |
| Doubles | |
 Diego Hidalgo /  Cristian Rodríguez | |
The 2023 Challenger de Buenos Aires was a professional tennis tournament played on clay courts. It was the 12th edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Buenos Aires, Argentina between 9 and 15 October 2023. [1]
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| ARG | Federico Coria | 83 | 1 |
| ARG | Juan Manuel Cerúndolo | 102 | 2 |
| ARG | Facundo Díaz Acosta | 106 | 3 |
 CHI | Tomás Barrios Vera | 108 | 4 |
 CZE | Vít Kopřiva | 114 | 5 |
| CHI | Alejandro Tabilo | 120 | 6 |
| ARG | Francisco Comesaña | 126 | 7 |
 GBR | Jan Choinski | 127 | 8 |
The following players received wildcards into the singles main draw:
The following player received entry into the singles main draw as a special exempt:
The following player received entry into the singles main draw as an alternate:
The following players received entry from the qualifying draw:
Murkel Dellien Renzo Olivo 
João Lucas Reis da Silva Juan Bautista Torres Marco Trungelliti Gonzalo Villanueva The following player received entry as a lucky loser:
Mariano Navone def. Federico Coria 2–6, 6–3, 6–4. Diego Hidalgo / Cristian Rodríguez def. Fernando Romboli / Marcelo Zormann 6–3, 6–2.The 2010 Copa Petrobras Buenos Aires was a professional tennis tournament played on red clay courts. It was the seventh edition of the tournament which was part of the 2010 ATP Challenger Tour. It took place in Buenos Aires, Argentina between 4 and 11 October 2010.
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