2024 Challenger AAT

The 2024 Challenger AAT was a professional tennis tournament played on clay courts. It was the third edition of the tournament which was part of the 2024 ATP Challenger Tour. It took place in Buenos Aires, Argentina between 8 and 14 January 2024.

Seeds

 * 1 Rankings are as of 1 January 2024.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇦🇷 Luciano Emanuel Ambrogi
 * 🇦🇷 Alex Barrena
 * 🇦🇷 Lautaro Midón

The following players received entry into the singles main draw as alternates:
 * 🇬🇧 Felix Gill
 * 🇧🇷 Orlando Luz
 * 🇪🇸 Carlos Taberner
 * 🇦🇷 Juan Bautista Torres

The following players received entry from the qualifying draw:
 * 🇦🇷 Valerio Aboian
 * 🇧🇷 Mateus Alves
 * 🇵🇪 Gonzalo Bueno
 * 🇦🇷 Matías Franco Descotte
 * 🇰🇿 Dmitry Popko
 * 🇦🇷 Gonzalo Villanueva

Singles

 * 🇵🇪 Gonzalo Bueno def. 🇰🇿 Dmitry Popko 6–4, 2–6, 7–6(7–4).

Doubles

 * 🇵🇪 Arklon Huertas del Pino / 🇵🇪 Conner Huertas del Pino def. Max Houkes / 🇦🇹 Lukas Neumayer 6–3, 3–6, [10–6].