| Date | 9 October 2018 |
|---|---|
| Location | Buenos Aires Lawn Tennis Club, Green Park, Palermo, Buenos Aires (Court 4) |
| Competitor | NOC | Sets Won | Set 1 | Set 2 | |
|---|---|---|---|---|---|
| Gilbert Klier Junior |  BRA | 2 | 7 (9) | 6 | |
| Drew Baird |  USA | 0 | 6 (7) | 4 |
| Gilbert Klier Junior | Drew Baird | |
|---|---|---|
| Sets Won | 2 | 0 |
| Set 1 | 7 (9) | 6 (7) |
| Set 2 | 6 | 4 |
