The 2026 AAT Challenger Santander edición Tigre was a professional tennis tournament played on clay courts. It was the sixth edition of the tournament which was part of the 2026 ATP Challenger Tour. It took place in Tigre, Argentina between 16 and 22 February 2026.
Singles main-draw entrants Seeds Country Player Rank1 SeedÁlvaro Guillén Meza2021Gonzalo Bueno2182Genaro Alberto Olivieri2273Santiago Rodríguez Taverna2284Lautaro Midón2295Andrea Collarini2336Franco Agamenone2607Nicolás Kicker2678 1 Rankings are as of 9 February 2026.
Other entrants The following players received wildcards into the singles main draw: Dante Pagani Lucio Ratti Carlos María Zárate
The following players received entry into the singles main draw as alternates: Luciano Emanuel Ambrogi Mariano Kestelboim
The following players received entry from the qualifying draw: Joaquín Aguilar Cardozo Bruno Fernandez Ștefan Paloși João Eduardo Schiessl Nicolas Zanellato Máximo Zeitune
Champions Singles
Guido Iván Justo def. Lautaro Midón 4–6, 6–3, 6–0.
Doubles
Mariano Kestelboim / Juan Carlos Prado Ángelo def. Santiago Rodríguez Taverna / Gonzalo Villanueva 6–4, 5–7, [10–7].
References