2023 Challenger AAT

Country	Player	Rank1	Seed
ARG	Andrea Collarini	181	1
ARG	Thiago Agustín Tirante	185	2
ITA	Luciano Darderi	188	3
ARG	Juan Pablo Ficovich	197	4
ARG	Genaro Alberto Olivieri	205	5
DOM	Nick Hardt	221	6
ARG	Mariano Navone	227	7
BRA	Thiago Seyboth Wild	231	8

• ¹ Rankings are as of 17 April 2023.^[1]

The following players received wildcards into the singles main draw:

• Alex Barrena
• Alejo Lorenzo Lingua Lavallén
• Lautaro Midón

The following players received entry into the singles main draw as alternates:

• Pedro Boscardin Dias
• Gonzalo Lama
• Juan Bautista Otegui

The following players received entry from the qualifying draw:

• Valerio Aboian
• Tomás Farjat
• Gustavo Heide
• Conner Huertas del Pino
• Mariano Kestelboim
• Matías Zukas

The following players received entry as lucky losers:

• Wilson Leite
• José Pereira

• Thiago Seyboth Wild def. Luciano Darderi 6–3, 6–3.

• Francisco Comesaña / Thiago Seyboth Wild def. Hernán Casanova / Santiago Rodríguez Taverna 6–3, 6–7^(5–7), [10–6].