Stadium: Court 2 Round: 2
| Billie Jean King Cup | 2021/06/24 17:10 | Grant, Guillermina v Rahmanparast, Ariana | 6-3,6-2 |
| Billie Jean King Cup | 2022/07/27 15:20 | Grant, Guillermina v Junmoke James | 6-2,6-0 |
| Billie Jean King Cup | 2022/07/26 16:30 | Grant, Guillermina v Espinal Sanchez, Natalie Gabriela | 7-6,6-3 |
| Billie Jean King Cup | 2022/07/25 15:15 | Grant, Guillermina v Chambers, Hannah | 6-3,6-3 |
| WTA Montevideo | 2021/11/16 20:15 | Grant, Guillermina v Maria Lourdes Carle | 6-7,2-6 |
| Billie Jean King Cup | 2021/06/26 19:00 | Roemer, Charlotte v Grant, Guillermina | 7-5,3-6,6-3 |
| Billie Jean King Cup | 2021/06/25 15:00 | Sydney-Nicole Clarke v Grant, Guillermina | 2-6,3-6 |
| Billie Jean King Cup | 2021/06/24 17:10 | Grant, Guillermina v Rahmanparast, Ariana | 6-3,6-2 |
| Fed Cup, Groupe Mondial | 2019/04/19 14:00 | Morales, Melissa v Grant, Guillermina | 7-5,5-7,6-4 |
| Billie Jean King Cup | 2021/06/26 20:50 | Rahmanparast, Ariana v Sachely Carrera | 6-1,6-1 |
| Billie Jean King Cup | 2021/06/24 17:10 | Grant, Guillermina v Rahmanparast, Ariana | 6-3,6-2 |
| Billie Jean King Cup | 2021/06/23 16:30 | Cartwright, Kerrie v Rahmanparast, Ariana | 6-3,6-3 |
| Billie Jean King Cup | 2018/07/21 16:45 | Rahmanparast, Ariana v Noelia Zeballos | 5-7,2-6 |
| Fed Cup, Groupe Mondial | 2018/07/20 16:40 | Roemer, Charlotte v Rahmanparast, Ariana | 6-0,6-3 |
| Fed Cup, Groupe Mondial | 2018/07/19 16:30 | Rahmanparast, Ariana v Espinal Sanchez, Natalie Gabriela | 6-4,6-3 |
| Fed Cup, Matchs en Doubles | 2017/07/22 16:30 | Valdez, Michelle Marie v Rahmanparast, Ariana | 1-6,4-6 |
| Fed Cup, Matchs en Doubles | 2017/07/21 15:00 | Anastasia Iamachkine v Rahmanparast, Ariana | 6-0,1-6,6-4 |