Stadium: Court 5 Round: 54 Ground: Hardcourt outdoor
| ITF W25 Santo Domingo | 2021/06/07 16:30 | Dasha Ivanova v Gianna Pielet | 5-7,6-4,10-6 |
| ITF W25 Santo Domingo | 2021/06/06 14:00 | Gianna Pielet v Alessandra Crump | 6-0,6-2 |
| ITF W25 Santo Domingo | 2021/05/31 14:00 | Gianna Pielet v Montserrat Gonzalez | 2-6,4-6 |
| ITF W25 Santo Domingo | 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 |
| UTR Pro Tennis Series Florida Women | 2021/05/02 14:30 | Irina Fetecau v Gianna Pielet | 6-2,6-0 |
| UTR Pro Tennis Series Florida Women | 2021/05/01 14:30 | Mckenna Schaefbauer v Gianna Pielet | 3-6,7-5,3-6 |
| ITF W15 Antalya | 2021/05/26 12:30 | Stephanie Judith Visscher v Caijsa W Hennemann | 2-6,6-7 |
| ITF W15 Antalya | 2021/05/18 08:50 | Stephanie Judith Visscher v Eva Vedder | 4-6,2-6 |
| ITF W15 Monastir | 2021/04/29 10:05 | Stephanie Judith Visscher v Anastasia Kulikova | 1-6,4-6 |
| ITF W15 Monastir | 2021/04/27 09:50 | Yasmine Mansouri v Stephanie Judith Visscher | 4-6,2-6 |
| ITF W15 Monastir | 2021/04/23 14:00 | Paige Mary Hourigan v Stephanie Judith Visscher | 6-3,6-2 |
| ITF W15 Monastir | 2021/04/22 08:30 | Amy Zhu v Stephanie Judith Visscher | 4-6,6-0,2-6 |
| ITF W15 Monastir | 2021/04/20 09:00 | Stephanie Judith Visscher v Ilona-Georgiana Ghioroaie | 6-4,7-5 |
| ITF W15 Monastir | 2021/04/13 08:30 | Stephanie Judith Visscher v Paige Mary Hourigan | 7-5,2-6,4-6 |