Stadium: Court 9 Round: 25 Ground: Hardcourt outdoor
| ITF W25 Medellin | 2021/09/14 18:00 | Sofia Sewing v Maria F Herazo Gonzalez | 6-1,2-6,6-2 |
| ITF W25 Les Contamines | 2021/07/18 11:10 | Sofia Sewing v Clarisse Aussert | 4-6,3-6 |
| ITF W15 Monastir | 2021/07/06 09:40 | Sofia Sewing v Valentina Ryser | 1-6,5-7 |
| ITF W15 Monastir | 2021/06/29 08:30 | Arlinda Rushiti v Sofia Sewing | 6-2,6-3 |
| ITF W25 Santo Domingo | 2021/06/02 18:05 | Andrea Lazaro Garcia v Sofia Sewing | 6-2,6-0 |
| ITF W25 Santo Domingo | 2021/06/01 14:40 | Victoria Rodriguez v Sofia Sewing | 6-7,0-6 |
| ITF W25 Santo Domingo | 2021/05/31 17:00 | Penelope Abreu v Sofia Sewing | 2-6,2-6 |
| ITF W25 Pelham | 2021/05/17 16:30 | Sofia Sewing v Reese Brantmeier | 1-6,3-6 |