# Tennis at the 2018 South American Games – Women's singles

The women's singles event at the 2018 South American Games was held from 28 May to 2 June.

## Medalists

| Gold | Silver | Bronze |
| Montserrat González Paraguay | Daniela Seguel Chile | Fernanda Brito Chile |

## 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

### Final four

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 1 | Daniela Seguel | 6 | 6 | | | | | |
| 3 | María Herazo González | 2 | 4 | | | | | |
| 3 | María Herazo González | 2 | 4 | 1 | Daniela Seguel | 6 | 5 | 3 |
| | | | | 2 | Montserrat González | 4 | 7 | 6 |
| 4 | Fernanda Brito | 5 | 4 | 2 | Montserrat González | 4 | 7 | 6 |
| 2 | Montserrat González | 7 | 6 | Bronze medal match | Bronze medal match | Bronze medal match | Bronze medal match | Bronze medal match |
| | | | | 3 | María Herazo González | 6 | 0 | [8] |
| | | | | 4 | Fernanda Brito | 3 | 4 | [10] |

### Top half

| Round 1 | Round 1 | Round 1 | Round 1 | Round 1 | Round 2 | Round 2 | Round 2 | Round 2 | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| | | | | | 1 | D Seguel | 6 | 6 | | | | | | | | | |
| | F Secinaro | 2 | 3 | | | D Schaefer | 0 | 1 | | | | | | | | | |
| | D Schaefer | 6 | 6 | | | | | | 1 | D Seguel | 6 | 6 | | | | | |
| | PA Pérez | 6 | 6 | | | | | | 7 | N Zeballos | 0 | 2 | | | | | |
| | I Tiscornia | 1 | 0 | | | PA Pérez | 4 | 4 | | | | | | | | | |
| | A Iamachkine | 5 | 6$^1$ | | 7 | N Zeballos | 6 | 6 | | | | | | | | | |
| 7 | N Zeballos | 7 | 7$^7$ | | | | | | | | | | | 1 | D Seguel | 6 | 6 |
| | | | | | | | | | | | | | | 3 | M Herazo | 2 | 4 |
| | | | | | 3 | M Herazo | 6 | 6 | | | | | | | | | |
| | P Cortez Vargas | 2 | 6 | 4 | | J Valero | 2 | 1 | | | | | | | | | |
| | J Valero | 6 | 3 | 6 | | | | | 3 | M Herazo | 3 | 6 | 6 | | | | |
| | E Ganga | 6$^4$ | 5 | | | | | | 5 | C Giangreco Campiz | 6 | 1 | 3 | | | | |
| | C Romero | 7$^7$ | 7 | | | C Romero | 4 | 1 | | | | | | | | | |
| | | | | | 5 | C Giangreco Campiz | 6 | 6 | | | | | | | | | |

### Bottom half

| Round 1 | Round 1 | Round 1 | Round 1 | Round 1 | Round 2 | Round 2 | Round 2 | Round 2 | Round 2 | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 8 | M Krywoj | 6 | 6 | | | | | | | | | | | | | | | |
| | A Ma-Ajong | 1 | 0 | | 8 | M Krywoj | 7 | 4 | 6 | | | | | | | | | |
| | J Ortenzi | 4 | 2 | | | C Römer | 5 | 6 | 2 | | | | | | | | | |
| | C Römer | 6 | 6 | | | | | | | 8 | M Krywoj | 2 | 4 | | | | | |
| | M Linares | 7 | 6 | | | | | | | 4 | F Brito | 6 | 6 | | | | | |
| | C Soares | 5 | 3 | | | M Linares | 4 | 1 | | | | | | | | | | |
| | | | | | 4 | F Brito | 6 | 6 | | | | | | | | | | |
| | | | | | | | | | | | | | | | 4 | F Brito | 5 | 4 |
| | | | | | | | | | | | | | | | 2 | M González | 7 | 6 |
| | | | | | 6 | A Uzcátegui | 6 | 6$^5$ | 6 | | | | | | | | | |
| | L Escauriza | 5 | 6 | 6$^4$ | | M Reasco | 2 | 7$^7$ | 0 | | | | | | | | | |
| | M Reasco | 7 | 2 | 7$^7$ | | | | | | 6 | A Uzcátegui | 5 | 7 | 2 | | | | |
| | H Birnbaumer | 0 | 4 | | | | | | | 2 | M González | 7 | 5 | 6 | | | | |
| | D Ramírez | 6 | 6 | | | D Ramírez | 3 | 4 | | | | | | | | | | |
| | | | | | 2 | M González | 6 | 6 | | | | | | | | | | |