The 2025 AAT Challenger Santander edición Villa María was a professional tennis tournament played on clay courts. It was the tournament's third edition and part of the 2025 ATP Challenger Tour. It took place in Villa María, Argentina, between 15 and 21 September 2025.
Singles main-draw entrants Seeds Country Player Rank1 SeedEmilio Nava1011Hugo Dellien1222Francesco Maestrelli1603Federico Agustín Gómez1854Genaro Alberto Olivieri2065Gonzalo Bueno2096Alex Barrena2257João Lucas Reis da Silva2328 1 Rankings are as of 8 September 2025.
Other entrants The following players received wildcards into the singles main draw: Fernando Cavallo Juan Manuel La Serna Juan Bautista Torres
The following players received entry into the singles main draw as alternates: Mariano Kestelboim Lorenzo Joaquín Rodríguez
The following players received entry from the qualifying draw: Facundo Bagnis Hernán Casanova Santiago de la Fuente Lautaro Agustín Falabella Facundo Juárez Carlos María Zárate
Champions Singles
Emilio Nava def. Alex Barrena 6–3, 6–3.
Doubles
Guillermo Durán / Mariano Kestelboim def. Daniel Dutra da Silva / Gonzalo Villanueva 6–4, 6–2.
References