| Date | 8 October 2018 |
|---|---|
| Location | Buenos Aires Lawn Tennis Club, Green Park, Palermo, Buenos Aires (Court 7) |
| Competitor | NOC | Sets Won | Set 1 | Set 2 | Set 3 | |
|---|---|---|---|---|---|---|
| Oksana Selekhmetyeva |  RUS | 2 | 7 | 3 | 6 | |
| Lulu Sun |  SUI | 1 | 6 | 6 | 3 |
| Oksana Selekhmetyeva | Lulu Sun | |
|---|---|---|
| Sets Won | 2 | 1 |
| Set 1 | 7 | 6 |
| Set 2 | 3 | 6 |
| Set 3 | 6 | 3 |
| Tie-break 1 | 7 | 1 |
