Stadium: Cancha 3 Round: 25 Ground: Clay
| ITF W25 Rio do Sul | 2021/10/22 11:50 | Katharina Gerlach v Carolina Alves | 6-7,1-6 |
| ITF W25 Rio do Sul | 2021/10/21 13:25 | Katharina Gerlach v Luisa Meyer Auf Der Heide | 6-3,7-5 |
| ITF W25 Rio do Sul | 2021/10/20 12:00 | Katharina Gerlach v Miriana Tona | 6-4,6-1 |
| ITF W25 Lima | 2021/10/17 15:00 | Katharina Gerlach v Dea Herdzelas | 2-6,2-6 |
| ITF W25 Lima | 2021/10/16 17:35 | Carolina Alves v Katharina Gerlach | 6-7,1-6 |
| ITF W25 Lima | 2021/10/15 15:00 | Anna Siskova v Katharina Gerlach | 1-6,1-6 |
| ITF W25 Lima | 2021/10/14 17:10 | Maria Paulina Perez Garcia v Katharina Gerlach | 1-6,3-6 |
| ITF W80 Wiesbaden | 2021/09/23 10:00 | Katharina Gerlach v Ylena In-Albon | 2-6,4-6 |
| ITF W15 Cancun | 2021/10/07 15:00 | Yuliana Monroy v Alica Rusova | 6-4,6-4 |
| ITF W15 Cancun | 2021/10/06 14:00 | Alica Rusova v Kirsten-Andrea Weedon | 2-6,6-4,6-4 |
| ITF W15 Cancun | 2021/09/25 19:10 | Anna Rogers v Alica Rusova | 6-2,2-6,6-2 |
| ITF W15 Cancun | 2021/09/23 15:50 | Darja Semenistaja v Alica Rusova | 4-6,6-2,4-6 |
| ITF W15 Cancun | 2021/09/21 17:00 | Lya Fernandez v Alica Rusova | 4-6,3-6 |
| ITF W25 Medellin | 2021/09/17 18:50 | Alica Rusova v Mell E R Gonzalez | 3-6,1-6 |
| ITF W25 Medellin | 2021/09/16 16:40 | Alica Rusova v Jessica Plazas | 6-4,6-1 |
| ITF W25 Medellin | 2021/09/15 16:25 | Dasha Ivanova v Alica Rusova | 4-6,6-2,4-6 |