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

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

## Medalists

| Gold | Silver | Bronze |
| Marcelo Tomás Barrios Vera Chile | Francisco Cerúndolo Argentina | Juan Pablo Varillas Peru |

## 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 | Semifinals | Final | Final | Final | Final | Final |
| 1 | Marcelo Tomás Barrios Vera | 6 | 6 | | | | | | |
| 4 | Juan Pablo Varillas | 3 | 2 | | | | | | |
| 4 | Juan Pablo Varillas | 3 | 2 | | 1 | Marcelo Tomás Barrios Vera | 7$^7$ | 6 | |
| | | | | | | Francisco Cerúndolo | 6$^5$ | 4 | |
| | Eduardo Struvay | 6 | 1 | 5 | | Francisco Cerúndolo | 6$^5$ | 4 | |
| | Francisco Cerúndolo | 2 | 6 | 7 | Bronze medal match | Bronze medal match | Bronze medal match | Bronze medal match | Bronze medal match |
| | | | | | 4 | Juan Pablo Varillas | 4 | 4 | |
| | | | | | | Eduardo Struvay | 0 | 0 | |

### Top half

| 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 | MT Barrios Vera | 7 | 7$^8$ | | | | | | | | | | |
| J Panta | 6 | 6 | | | J Panta | 5 | 6$^6$ | | | | | | | | | | |
| Y Bergen | 0 | 0 | | | | | | | 1 | MT Barrios Vera | 6 | 3 | 6 | | | | |
| W Wibmer | 0 | 0 | | | | | | | | D Hidalgo | 4 | 6 | 3 | | | | |
| D Hidalgo | 6 | 6 | | | D Hidalgo | 6 | 3 | 6 | | | | | | | | | |
| | | | | 7 | F Mantilla | 2 | 6 | 3 | | | | | | | | | |
| | | | | | | | | | | | | | | 1 | MT Barrios Vera | 6 | 6 |
| | | | | | | | | | | | | | | 4 | JP Varillas | 3 | 2 |
| | | | | 4 | JP Varillas | 6 | 6 | | | | | | | | | | |
| B Arias | 6 | 6 | | | B Arias | 3 | 2 | | | | | | | | | | |
| I Endara | 4 | 3 | | | | | | | 4 | JP Varillas | 6 | 6 | | | | | |
| L Chávez | 6 | 6$^4$ | 6 | | | | | | 6 | F Zeballos | 2 | 2 | | | | | |
| A Riquelme | 2 | 7$^7$ | 0 | | L Chávez | 6$^4$ | 3 | | | | | | | | | | |
| | | | | 6 | F Zeballos | 7$^7$ | 6 | | | | | | | | | | |

### Bottom half

| 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 |
| | | | | 5 | E Gómez | 4 | 6 | 3 | | | | | | | | |
| E Struvay | 3 | 7$^7$ | 6 | | E Struvay | 6 | 3 | 6 | | | | | | | | |
| T Farjat | 6 | 6$^5$ | 4 | | | | | | | E Struvay | 6 | 6 | | | | |
| F Roncadelli | 4 | 1 | | | | | | | 3 | G Lama | 3 | 3 | | | | |
| A Huertas del Pino | 6 | 6 | | | A Huertas del Pino | 2 | 6 | 3 | | | | | | | | |
| | | | | 3 | G Lama | 6 | 3 | 6 | | | | | | | | |
| | | | | | | | | | | | | | E Struvay | 6 | 1 | 5 |
| | | | | | | | | | | | | | F Cerúndolo | 2 | 6 | 7 |
| | | | | 8 | A Tabilo | 6 | 6 | | | | | | | | | |
| | | | | | G Issa | 3 | 3 | | | | | | | | | |
| | | | | | | | | | 8 | A Tabilo | 5 | 6$^5$ | | | | |
| F Cerúndolo | 6 | 7$^7$ | | | | | | | | F Cerúndolo | 7 | 7$^7$ | | | | |
| LD Martínez | 3 | 6$^4$ | | | F Cerúndolo | 3 | 6 | 7$^8$ | | | | | | | | |
| | | | | 2 | C Rodríguez | 6 | 2 | 6$^6$ | | | | | | | | |