The following players received entry from the qualifying draw:
The following players received entry from the qualifying draw:
* {{flagicon|BRA}}
* {{flagicon|BRA}}
* {{flagicon|BRA}}
* {{flagicon|BRA}}
* {{flagicon|}}
* {{flagicon|}}
* {{flagicon|}}
* {{flagicon|}}
* {{flagicon|}}
* {{flagicon|}}
* {{flagicon|}}
* {{flagicon|}}
The following player received entry as a lucky loser:
The following player received entry as a lucky loser:
Tennis tournament
The 2025 Curitiba Challenger was a professional tennis tournament played on clay courts. It was the fourth edition of the tournament which was part of the 2025 ATP Challenger Tour. It took place in Curitiba, Brazil between 13 and 19 October 2025.
Singles main-draw entrants
Seeds
- 1 Rankings are as of 29 September 2025.[1]
Other entrants
The following players received wildcards into the singles main draw:
The following players received entry into the singles main draw as alternates:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
Champions
Singles
vs.
Doubles
References
- ^
“Rankings | Singles | ATP Tour | Tennis”. ATP Tour.
