The 2026 São Léo Open 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 São Leopoldo, Brazil between 30 March and 5 April 2026.
Singles main-draw entrants Seeds Country Player Rank1 SeedTomás Barrios Vera1191Hugo Dellien1592Juan Carlos Prado Ángelo2063Álvaro Guillén Meza2074Gonzalo Bueno2135Lautaro Midón2256Facundo Díaz Acosta2267Felipe Meligeni Alves2408 1 Rankings are as of 16 March 2026.
Other entrants The following players received wildcards into the singles main draw: Hugo Dellien Bruno Fernandez Paulo André Saraiva dos Santos
The following players received entry into the singles main draw as alternates: Valerio Aboian Joaquín Aguilar Cardozo Lorenzo Joaquín Rodríguez João Eduardo Schiessl
The following players received entry from the qualifying draw: Luciano Emanuel Ambrogi Santiago de la Fuente Conner Huertas del Pino Johan Nikles Carlos María Zárate Máximo Zeitune
Champions Singles
Facundo Díaz Acosta def. Hugo Dellien 5–7, 6–2, 6–4.
Doubles
Boris Arias / Johannes Ingildsen def. Nicolás Álvarez Varona / Mario Mansilla Díez 6–3, 4–6, [10–8].
References