| 2024 Challenger AAT II | |
|---|---|
| Date | 15–21 January |
| Edition | 4th |
| Surface | Clay |
| Location | Buenos Aires, Argentina |
| Champions | |
| Singles | |
 Facundo Bagnis | |
| Doubles | |
 João Fonseca / Pedro Sakamoto | |
The 2024 Challenger AAT de TCA II was a professional tennis tournament played on clay courts. It was the fourth edition of the tournament which was part of the 2024 ATP Challenger Tour. It took place in Buenos Aires, Argentina between 15 and 21 January 2024. [1]
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| ARG | Mariano Navone | 126 | 1 |
| ARG | Genaro Alberto Olivieri | 174 | 2 |
| ARG | Santiago Rodríguez Taverna | 207 | 3 |
| ARG | Andrea Collarini | 227 | 4 |
 SVK | Jozef Kovalík | 231 | 5 |
 AUT | Lukas Neumayer | 233 | 6 |
 ITA | Edoardo Lavagno | 236 | 7 |
| ARG | Facundo Bagnis | 240 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry into the singles main draw as special exempts:
The following players received entry into the singles main draw as alternates:
Gianluca Mager 
Timo StodderThe following players received entry from the qualifying draw:
Facundo Bagnis def. Mariano Navone 7–5, 1–6, 7–5. João Fonseca / Pedro Sakamoto def. Jakob Schnaitter / Mark Wallner 6–2, 6–2.
