| Date | 10 October 2018 |
|---|---|
| Location | Buenos Aires Lawn Tennis Club, Green Park, Palermo, Buenos Aires (Court 2) |
| Competitor | NOC | Sets Won | Sets Won | Set 1 | Set 2 | |
|---|---|---|---|---|---|---|
| Gilbert Klier Junior |  BRA | 2 | 2 | 6 | 6 | |
| Sebastián Báez |  ARG | 0 | 0 | 4 | 4 |
| Gilbert Klier Junior | Sebastián Báez | |
|---|---|---|
| Sets Won | 2 | 0 |
| Set 1 | 6 | 4 |
| Set 2 | 6 | 4 |
