| Date | 10 October 2018 — 13:56 |
|---|---|
| Location | Badminton Arena, Tecnópolis, Tecnópolis Park, Villa Martelli, Buenos Aires |
| Match | Date/Time | Competitor | NOC | Result | Competitor | NOC | |
|---|---|---|---|---|---|---|---|
| Match #1 | 10 Oct | Phittayaporn Chaiwan |  THA | 21-9, 21-8 | Vivien Sándorházi |  HUN | |
| Match #2 | 10 Oct | Goh Jin Wei |  MAS | 21-12, 21-9 | Vũ Thị Anh Thư |  VIE | |
| Match #3 | 10 Oct | Jaslyn Hooi |  SGP | 21-16, 21-18 | Jennie Gai |  USA | |
| Match #4 | 10 Oct | Wang Zhiyi |  CHN | 21-15, 21-14 | Huang Yin-Hsuan |  TPE |
