| 2025 Engie Open Florianópolis | ||||
|---|---|---|---|---|
| Date | 17–23 November | |||
| Edition | 4th | |||
| Category | ATP Challenger Tour | |||
| Surface | Clay / Outdoor | |||
| Location | Florianópolis, Brazil | |||
| Champions | ||||
| Singles | ||||
 Gustavo Heide | ||||
| Doubles | ||||
 Boris Arias / Johannes Ingildsen | ||||
| ||||
The2025ENGIE Open Florianópolis was a professionaltennis tournament played on outdoorclay courts. It was the fourth edition of the tournament, which was part of the2025 ATP Challenger Tour. It took place inFlorianópolis, Brazil, between 17 and 23 November 2025.
Gustavo Heide def.
Andrea Collarini 6–2, 6–3.Boris Arias /Johannes Ingildsen def.
Alexander Merino /
Christoph Negritu 3–6, 6–3, [10–8].| Country | Player | Rank1 | Seed |
|---|---|---|---|
| BRA | João Lucas Reis da Silva | 187 | 1 |
| ARG | Genaro Alberto Olivieri | 221 | 2 |
| ARG | Facundo Díaz Acosta | 225 | 3 |
 KAZ | Dmitry Popko | 226 | 4 |
| BOL | Juan Carlos Prado Ángelo | 228 | 5 |
| ARG | Santiago Rodríguez Taverna | 234 | 6 |
| ARG | Nicolás Kicker | 264 | 7 |
| ARG | Andrea Collarini | 273 | 8 |
The following players received wildcards into the singles main draw:
Bruno FernandezJosé Pereira Leonardo Storck FrançaThe following player received entry into the singles main draw through the Junior Accelerator programme:
Miguel TobónThe following players received entry into the singles main draw as alternates:
Bruno KuzuharaEduardo Ribeiro João Eduardo SchiesslThe following players received entry from the qualifying draw:
Valentín BaselOrlando Luz Nicolas Zanellato Carlos María ZárateFederico Zeballos Máximo ZeituneThe following player received entry as a lucky loser:
Santiago de la Fuente