Stadium: Court 3 Round: 26 Ground: Clay
| ITF W60 Santiago | 2021/11/08 19:40 | Katharina Gerlach v Javiera Verdugo | 6-0,6-0 |
| WTA Buenos Aires | 2021/11/04 15:30 | Maiar S A Abdelaziz v Katharina Gerlach | 6-3,6-2 |
| WTA Buenos Aires | 2021/11/02 18:00 | Barbara Gatica v Katharina Gerlach | 6-1,6-7,4-6 |
| ITF W25 Guayaquil | 2021/10/31 15:00 | Katharina Gerlach v Laura Pigossi | 0-6,2-6 |
| ITF W25 Guayaquil | 2021/10/30 16:40 | Katharina Gerlach v Carolina Alves | 5-7,6-4,6-4 |
| ITF W25 Guayaquil | 2021/10/29 16:40 | Katharina Gerlach v Victoria Rodriguez | 6-3,6-1 |
| ITF W25 Guayaquil | 2021/10/28 19:05 | Katharina Gerlach v Brittany Collens | 6-0,6-1 |
| ITF W25 Guayaquil | 2021/10/27 20:45 | Katharina Gerlach v Alica Rusova | 6-1,6-0 |
| ITF W60 Santiago | 2021/11/09 20:20 | Bianca Lia A Gonzalez v Emiliana Arango | 0-6,0-6 |
| WTA Buenos Aires | 2021/11/02 15:30 | Emiliana Arango v Beatriz Haddad Maia | 1-6,2-6 |
| ITF W80 Macon | 2021/10/18 19:55 | Erica Oosterhout v Emiliana Arango | 6-4,6-4 |
| ITF W25 Firenze | 2021/10/17 17:00 | Xiyu Wang v Emiliana Arango | 3-6,6-0,6-7 |
| ITF W25 Firenze | 2021/10/15 14:00 | Robin Anderson v Emiliana Arango | 4-6,3-6 |
| ITF W25 Firenze | 2021/10/14 16:00 | Emiliana Arango v Kurumi Nara | 6-2,6-3 |
| ITF W25 Firenze | 2021/10/13 14:00 | Elysia Bolton v Emiliana Arango | 3-6,2-6 |
| ITF W25 Firenze | 2021/10/12 14:00 | Emiliana Arango v Luiza Fullana | 6-0,6-0 |