# 2025 Rio Open – Singles

Defending champion Sebastián Báez defeated Alexandre Müller in the final, 6–2, 6–3 to win the singles tennis title at the 2025 Rio Open. It was his seventh ATP Tour title. Báez was the first player to successfully defend the title and first to win multiple titles since the tournament's inception in 2014.
The quarterfinal match between Camilo Ugo Carabelli and Jaime Faria marked the second all-lucky loser quarterfinal in ATP Tour history (since 1990), after Max Purcell and Andreas Seppi at the 2021 Eastbourne International.

## Seeds

* Alexander Zverev (quarterfinals)
* Lorenzo Musetti (withdrew)
* Alejandro Tabilo (first round)
* Francisco Cerúndolo (quarterfinals)
* Sebastián Báez (champion)
* Nicolás Jarry (second round)
* Pedro Martínez (first round)
* Tomás Martín Etcheverry (second round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| | Francisco Comesaña | 5 | 7$^7$ | 3 | | | | |
| | Alexandre Müller | 7 | 6$^3$ | 6 | | | | |
| | Alexandre Müller | 7 | 6$^3$ | 6 | | Alexandre Müller | 2 | 3 |
| | | | | | 5 | Sebastián Báez | 6 | 6 |
| 5 | Sebastián Báez | 3 | 6 | 6 | 5 | Sebastián Báez | 6 | 6 |
| LL | Camilo Ugo Carabelli | 6 | 1 | 1 | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | A Zverev | 7$^7$ | 6 | | | | | | | | | | | | | | | |
| | Y Bu | 6$^4$ | 4 | | 1 | A Zverev | 7$^7$ | 7$^8$ | | | | | | | | | | |
| | A Shevchenko | 6 | 6 | | | A Shevchenko | 6$^1$ | 6$^6$ | | | | | | | | | | |
| WC | F Meligeni Alves | 4 | 2 | | | | | | | 1 | A Zverev | 6 | 3 | 4 | | | | |
| WC | G Heide | 6$^2$ | 7$^9$ | 3 | | | | | | | F Comesaña | 4 | 6 | 6 | | | | |
| | F Comesaña | 7$^7$ | 6$^7$ | 6 | | F Comesaña | 7$^7$ | 6$^1$ | 7$^8$ | | | | | | | | | |
| Q | JM Cerúndolo | 6 | 3 | 4 | 6 | N Jarry | 6$^4$ | 7$^7$ | 6$^6$ | | | | | | | | | |
| 6 | N Jarry | 4 | 6 | 6 | | | | | | | | | | | F Comesaña | 5 | 7$^7$ | 3 |
| 4 | F Cerúndolo | 7$^{11}$ | 6 | | | | | | | | | | | | A Müller | 7 | 6$^3$ | 6 |
| | H Gaston | 6$^9$ | 0 | | 4 | F Cerúndolo | 6$^1$ | 6 | 6 | | | | | | | | | |
| | L Darderi | 7$^7$ | 2 | | | L Darderi | 7$^7$ | 3 | 2 | | | | | | | | | |
| Q | H Dellien | 6$^2$ | 2$^r$ | | | | | | | 4 | F Cerúndolo | 5 | 1 | | | | | |
| SE | J Fonseca | 1 | 6$^4$ | | | | | | | | A Müller | 7 | 6 | | | | | |
| | A Müller | 6 | 7$^7$ | | | A Müller | 7 | 7$^7$ | | | | | | | | | | |
| | C Moutet | 3 | 6$^1$ | | 8 | TM Etcheverry | 5 | 6$^5$ | | | | | | | | | | |
| 8 | TM Etcheverry | 6 | 7$^7$ | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | S Báez | 6 | 7 | | | | | | | | | | | | | | | |
| LL | RA Burruchaga | 3 | 5 | | 5 | S Báez | 6 | 1 | 6 | | | | | | | | | |
| | M Navone | 6 | 6 | | | M Navone | 4 | 6 | 3 | | | | | | | | | |
| | R Carballés Baena | 4 | 3 | | | | | | | 5 | S Báez | 6 | 6 | | | | | |
| | F Díaz Acosta | 6 | 3 | 6$^3$ | | | | | | Q | C-h Tseng | 4 | 1 | | | | | |
| WC | T Monteiro | 3 | 6 | 7$^7$ | WC | T Monteiro | 7$^7$ | 3 | 6$^4$ | | | | | | | | | |
| Q | C-h Tseng | 6 | 7 | | Q | C-h Tseng | 6$^4$ | 6 | 7$^7$ | | | | | | | | | |
| 3 | A Tabilo | 2 | 5 | | | | | | | | | | | 5 | S Báez | 3 | 6 | 6 |
| 7 | P Martínez | 6 | 3 | 3 | | | | | | | | | | LL | C Ugo Carabelli | 6 | 1 | 1 |
| LL | C Ugo Carabelli | 4 | 6 | 6 | LL | C Ugo Carabelli | 6 | 6 | | | | | | | | | | |
| | D Lajović | 3 | 4 | | | D Džumhur | 4 | 4 | | | | | | | | | | |
| | D Džumhur | 6 | 6 | | | | | | | LL | C Ugo Carabelli | 7$^7$ | 6 | | | | | |
| | J Munar | 6 | 3 | 6 | | | | | | LL | J Faria | 6$^5$ | 4 | | | | | |
| | T Seyboth Wild | 4 | 6 | 0 | | J Munar | 4 | 6 | 3 | | | | | | | | | |
| Q | T Barrios Vera | 2 | 5 | | LL | J Faria | 6 | 2 | 6 | | | | | | | | | |
| LL | J Faria | 6 | 7 | | | | | | | | | | | | | | | |

## Qualifying
### Seeds

* Camilo Ugo Carabelli (qualifying competition, lucky loser)
* Yannick Hanfmann (first round)
* Jaime Faria (qualifying competition, lucky loser)
* Hugo Dellien (qualified)
* Federico Coria (first round)
* Tseng Chun-hsin (qualified)
* Thiago Agustín Tirante (first round)
* Cristian Garín (first round)

### Qualifiers

* Tomás Barrios Vera
* Tseng Chun-hsin
* Juan Manuel Cerúndolo
* Hugo Dellien

### Lucky losers

* Camilo Ugo Carabelli
* Jaime Faria
* Román Andrés Burruchaga

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Camilo Ugo Carabelli | 6 | 4 | 6 | | | | | |
| WC | Karue Sell | 4 | 6 | 4 | | | | | |
| WC | Karue Sell | 4 | 6 | 4 | 1 | Camilo Ugo Carabelli | 7 | 2 | 6$^{12}$ |
| | | | | | | Tomás Barrios Vera | 5 | 6 | 7$^{14}$ |
| | Tomás Barrios Vera | 6 | 6 | | | Tomás Barrios Vera | 5 | 6 | 7$^{14}$ |
| 8 | Cristian Garín | 4 | 3 | | | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Yannick Hanfmann | 4 | 3 | | | | | | |
| | Marco Trungelliti | 6 | 6 | | | | | | |
| | Marco Trungelliti | 6 | 6 | | | Marco Trungelliti | 7$^7$ | 0 | 4 |
| | | | | | 6 | Tseng Chun-hsin | 6$^5$ | 6 | 6 |
| WC | João Lucas Reis da Silva | 7$^7$ | 3 | 4 | 6 | Tseng Chun-hsin | 6$^5$ | 6 | 6 |
| 6 | Tseng Chun-hsin | 6$^0$ | 6 | 6 | | | | | |

#### Third qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Jaime Faria | 7 | 7$^7$ | | | | | |
| WC | Mateus Alves | 5 | 6$^4$ | | | | | |
| WC | Mateus Alves | 5 | 6$^4$ | 3 | Jaime Faria | 7 | 4 | 4 |
| | | | | | Juan Manuel Cerúndolo | 5 | 6 | 6 |
| | Juan Manuel Cerúndolo | 6 | 6 | | Juan Manuel Cerúndolo | 5 | 6 | 6 |
| 7 | Thiago Agustín Tirante | 1 | 4 | | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Hugo Dellien | 6 | 6 | | | | | | |
| Alt | Juan Pablo Ficovich | 4 | 0 | | | | | | |
| Alt | Juan Pablo Ficovich | 4 | 0 | | 4 | Hugo Dellien | 6 | 1 | 6 |
| | | | | | | Román Andrés Burruchaga | 3 | 6 | 1 |
| | Román Andrés Burruchaga | 2 | 6 | 6 | | Román Andrés Burruchaga | 3 | 6 | 1 |
| 5 | Federico Coria | 6 | 1 | 4 | | | | | |