| | Top level | Event type
Singles, Boys – Match 3/4
| Date | 12 October 2018 |
|---|---|
| Location | Buenos Aires Lawn Tennis Club, Green Park, Palermo, Buenos Aires (Court 1) |
| Competitor | NOC | Sets Won | Set 1 | Set 2 | |
|---|---|---|---|---|---|
| Gilbert Klier Junior |  BRA | 1 | 6 | 3 | |
| Adrian Andreev |  BUL | 0 | 4 | 1 |
| Gilbert Klier Junior | Adrian Andreev | |
|---|---|---|
| Sets Won | 1 | 0 |
| Set 1 | 6 | 4 |
| Set 2 | 3 | 1 |