ATP · Challenger 75
Curitiba Challenger 2026 Tournament Results
In brief
Curitiba Challenger 2026 is a Challenger 75 tournament on the ATP tour that started on September 28, 2026. The title went to Guido Ivan Justo, who beat Gustavo Heide in the final (6-1 6-4). The draw features 22 players from 6 countries. Best represented: Brazil (9). 21 matches played, one tie-break and no retirements. In 2025 the title went to Adolfo Daniel Vallejo.
Bracket
Roll of honour
| Year | Champion | Runner-up |
|---|---|---|
| 2026 |  Guido Ivan Justo |  Gustavo Heide 6-1 6-4 |
| 2025 |  Adolfo Daniel Vallejo | Pedro Boscardin Dias 6-3 7-5 |
Points to defend
Best results at the 2025 edition: those points drop off the rankings with the 2026 edition.
| Player | 2025 | Points |
|---|---|---|
| Adolfo Daniel Vallejo | Title | 75 |
| Pedro Boscardin Dias | Final | 45 |
| Roman Andres Burruchaga | Semifinal | 27 |
| Daniel Dutra Da Silva | Quarterfinal | 15 |
 Gonzalo Bueno | Quarterfinal | 15 |
 Juan Carlos Prado Angelo | Quarterfinal | 15 |
 Tomas Barrios Vera | Quarterfinal | 15 |
| Facundo Diaz Acosta | Round of 16 | 8 |
The tournament in numbers
- Matches played
- 21
- Tie-breaks
- 1
- Matches to a deciding set
- 6
- 6-0 sets
- 1
- Retirements
- 0
Most games in a match: Guido Ivan Justo-Tomas Barrios Vera, 4-6 6-4 6-3 (29 games).
Countries in the draw
| Country | Players | Best result |
|---|---|---|
| Brazil | 9 | Final |
| Argentina | 7 | Title |
| Chile | 2 | Semifinal |
| Bolivia | 2 | R32 |
 Colombia | 1 | R32 |
 Uruguay | 1 | R32 |
Points on offer
ATP points by round reached at this edition.
| Round reached | Points |
|---|---|
| Title | 75 |
| Final | 45 |
| Semifinal | 27 |
| Quarterfinal | 15 |
| Round of 16 | 8 |
| R32 | 3 |
R32
| Winner | Loser | Score |
|---|---|---|
| Lautaro Midon | Matias Soto | 6-3 6-3 |
| Felipe Meligeni Alves | Carlos Maria Zarate | 6-4 6-2 |
| Juan Bautista Torres | Miguel Tobon | 6-2 3-6 6-1 |
| Joao Lucas Reis Da Silva | Murkel Dellien | 6-1 7-5 |
| Gustavo Heide | Hernan Casanova | 6-2 6-1 |
| Matheus Pucinelli De Almeida | Paulo Saraiva Dos Santos | 3-6 6-3 6-0 |
| Gonzalo Villanueva | Juan Carlos Prado Angelo | 3-6 6-3 6-4 |
| Guido Ivan Justo | Franco Roncadelli | 7-6(6) 6-2 |
| Pedro Sakamoto | Eduardo Ribeiro | 6-3 6-4 |
Round of 16
| Winner | Loser | Score |
|---|---|---|
| Gustavo Heide | Felipe Meligeni Alves | 6-3 6-4 |
| Tomas Barrios Vera | Juan Bautista Torres | 6-2 6-3 |
| Matheus Pucinelli De Almeida | Joao Lucas Reis Da Silva | 6-3 4-6 6-3 |
| Gonzalo Villanueva | Mateus Alves | 6-2 6-3 |
| Pedro Boscardin Dias | Genaro Alberto Olivieri | 6-4 6-2 |
| Guido Ivan Justo | Pedro Sakamoto | 6-2 6-4 |
Quarterfinal
| Winner | Loser | Score |
|---|---|---|
| Tomas Barrios Vera | Matheus Pucinelli De Almeida | 6-1 3-6 6-3 |
| Guido Ivan Justo | Gonzalo Villanueva | 6-2 6-4 |
| Gustavo Heide | Lautaro Midon | 6-2 6-4 |
Semifinal
| Winner | Loser | Score |
|---|---|---|
| Guido Ivan Justo | Tomas Barrios Vera | 4-6 6-4 6-3 |
| Gustavo Heide | Pedro Boscardin Dias | 6-2 6-3 |
Final
| Winner | Loser | Score |
|---|---|---|
| Guido Ivan Justo | Gustavo Heide | 6-1 6-4 |