Estádio: Court 7 Round: 54 Ground: Clay
| ITF - W25 Sumter | 2021/06/14 13:00 | Gianna Pielet v Stephanie Judith Visscher | 4-6,2-6 |
| ITF - W25 São Domingos | 2021/06/07 16:30 | Dasha Ivanova v Gianna Pielet | 5-7,6-4,10-6 |
| ITF - W25 São Domingos | 2021/06/06 14:00 | Gianna Pielet v Alessandra Crump | 6-0,6-2 |
| ITF - W25 São Domingos | 2021/05/31 14:00 | Gianna Pielet v Montserrat Gonzalez | 2-6,4-6 |
| ITF - W25 São Domingos | 2021/05/30 14:00 | Gianna Pielet v Alica Rusova | 6-4,6-2 |
| ITF - W25 Pelham | 2021/05/16 15:00 | Sofia Sewing v Gianna Pielet | 6-0,6-2 |
| ITF - W25 Naples | 2021/05/03 15:00 | Gianna Pielet v Ayaka Okuno | 3-6,6-2,5-10 |
| Flórida - UTR Pro Tennis Series - Feminino | 2021/05/02 14:30 | Irina Fetecau v Gianna Pielet | 6-2,6-0 |
| ITF - W25 Sumter | 2021/06/16 17:30 | Erika Sema v Peyton Stearns | 1-6,2-6 |
| ITF - W25 Sumter | 2021/06/15 13:00 | Erika Sema v Layne Sleeth | 7-6,6-1 |
| ITF - W25 Sumter | 2021/06/14 13:00 | Erika Sema v Katja Wiersholm | 7-5,6-1 |
| ITF - W25 São Domingos | 2021/06/09 16:15 | Erika Sema v Andrea Lazaro Garcia | 3-6,3-6 |
| ITF - W25 São Domingos | 2021/06/08 15:00 | Erika Sema v Rasheeda McAdoo | 6-2,6-3 |
| ITF - W25 São Domingos | 2021/06/07 18:00 | Erika Sema v Ana C Zamburek | 6-1,6-3 |
| ITF - W25 São Domingos | 2021/06/01 15:30 | Erika Sema v Charlotte Chavatipon | 7-5,4-6,11-13 |
| ITF - W25 São Domingos | 2021/05/31 17:00 | Erika Sema v Adriana Reami | 6-4,6-3 |