The 2026 Campeonato Internacional de Tênis 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 Curitiba, Brazil between 28 September and 4 October 2026.
Singles main-draw entrants Seeds Country Player Rank1 SeedGustavo Heide1201Tomás Barrios Vera1372Thiago Seyboth Wild1383Juan Carlos Prado Ángelo1644Lautaro Midón1975Facundo Mena2206João Lucas Reis da Silva2247Guido Iván Justo2338 1 Rankings are as of 21 September 2026.
Other entrants The following players received wildcards into the singles main draw: Lucas Andrade da Silva Guto Miguel João Eduardo Schiessl
The following player received entry into the singles main draw using a protected ranking: Felipe Meligeni Alves
The following player received entry into the singles main draw through the Next Gen Accelerator programme: Miguel Tobón
The following players received entry into the singles main draw as alternates: Mateus Alves Hernán Casanova Murkel Dellien Eduardo Ribeiro Carlos María Zárate
The following players received entry from the qualifying draw: Samuel Heredia José Pereira Victor Hugo Remondy Pagotto Lorenzo Joaquín Rodríguez Pedro Sakamoto Paulo André Saraiva dos Santos
The following players received entry as lucky losers: Ryan Dickerson Bruno Fernandez Wilson Leite
Champions
Singles
Guido Iván Justo def. Gustavo Heide 6–1, 6–4.
Doubles
Mariano Kestelboim / Marcelo Zormann def. Guto Miguel / Eduardo Ribeiro 5–7, 7–6(7–3), [10–7].
References