The 2026 Challenger AAT de TCA was a professional tennis tournament played on clay courts. It was the fifth edition of the tournament which was part of the 2026 ATP Challenger Tour. It took place in Buenos Aires, Argentina between 12 and 17 January 2026.
Singles main-draw entrants
Seeds Country Player Rank1 SeedSantiago Rodríguez Taverna2241Lautaro Midón2322Andrea Collarini2423Murkel Dellien2474Juan Pablo Varillas2535Nicolás Kicker2576Pedro Boscardin Dias2737Matheus Pucinelli de Almeida2988 1 Rankings are as of 5 January 2026.
Other entrants The following players received wildcards into the singles main draw: Alexis Gurmendi Dante Pagani Máximo Zeitune
The following players received entry into the singles main draw as alternates: Mateus Alves João Eduardo Schiessl
The following players received entry from the qualifying draw: Valerio Aboian Joaquín Aguilar Cardozo Juan Estévez Wilson Leite Ștefan Paloși Lucio Ratti
The following player received entry as a lucky loser: Bruno Kuzuhara
Champions
Singles
Franco Agamenone def. Andrea Collarini 3–6, 6–4, 6–2.
Doubles
Mariano Kestelboim / Marcelo Zormann def. Alexandru Jecan / Bogdan Pavel 6–3, 6–4.
References