Stadium: Cancha 2 Round: 26 Ground: Clay
| ITF - Guayaquil W25 | 2021/10/27 20:45 | Katharina Gerlach v Alica Rusova | 6-1,6-0 |
| ITF - Rio do Sul W25 | 2021/10/22 11:50 | Katharina Gerlach v Carolina Alves | 6-7,1-6 |
| ITF - Rio do Sul W25 | 2021/10/21 13:25 | Katharina Gerlach v Luisa Meyer Auf Der Heide | 6-3,7-5 |
| ITF - Rio do Sul W25 | 2021/10/20 12:00 | Katharina Gerlach v Miriana Tona | 6-4,6-1 |
| ITF - Lima W25 | 2021/10/17 15:00 | Katharina Gerlach v Dea Herdzelas | 2-6,2-6 |
| ITF - Lima W25 | 2021/10/16 17:35 | Carolina Alves v Katharina Gerlach | 6-7,1-6 |
| ITF - Lima W25 | 2021/10/15 15:00 | Anna Siskova v Katharina Gerlach | 1-6,1-6 |
| ITF - Lima W25 | 2021/10/14 17:10 | Maria Paulina Perez Garcia v Katharina Gerlach | 1-6,3-6 |
| ITF - Rio do Sul W25 | 2021/10/19 12:00 | Brittany Collens v Elsa Wan | 2-6,3-6 |
| ITF - Cancun W15 | 2021/10/13 14:00 | Brittany Collens v Breana Stampfli | 2-6,3-6 |
| ITF - Cancun W15 | 2021/10/06 14:00 | Brittany Collens v Stacey Fung | 1-6,0-6 |
| ITF - Cancun W15 | 2021/10/05 14:00 | Brittany Collens v Anna Rogers | 0-6,0-6 |
| ITF - Cancun W15 | 2021/10/04 16:30 | Brittany Collens v Maria I Yapur Lopez | 7-6,6-2 |
| ITF - Cancun W15 | 2021/09/29 15:30 | Brittany Collens v Darja Semenistaja | 1-6,5-7 |
| ITF - Cancun W15 | 2021/09/28 15:30 | Brittany Collens v Katya Ramirez | 6-2,6-3 |
| ITF - Cancun W15 | 2021/09/27 17:30 | Brittany Collens v Natalia Fehr | 6-0,6-0 |