Stadium: Cancha 2 Round: 25 Ground: Clay
| ITF W25 Rio do Sul | 2021/10/20 12:00 | Gerlach, Katharina v Miriana Tona | 6-4,6-1 |
| ITF W25 Tucuman | 2022/02/08 12:00 | Miriana Tona v Marian G P Cano | 6-2,6-2 |
| ITF W25 Tucuman | 2022/02/02 12:00 | Brenda Fruhvirtova v Miriana Tona | 6-2,7-5 |
| ITF W25 Tucuman | 2022/02/01 12:00 | Miriana Tona v Collens, Brittany | 6-1,6-0 |
| ITF W25 Tucuman | 2022/01/31 14:15 | Miriana Tona v Maria Victoria Burstein | 6-2,6-1 |
| ITF W25 Florianopolis | 2022/01/23 13:30 | Lucia Peyre v Miriana Tona | 6-4,6-4 |
| ITF W25 Blumenau-Gaspar | 2022/01/13 14:30 | Pia Lovric v Miriana Tona | 4-6,7-6,6-0 |
| ITF W25 Blumenau-Gaspar | 2022/01/11 14:00 | Sofia Milatova v Miriana Tona | 5-7,4-6 |
| ITF W25 Blumenau-Gaspar | 2022/01/10 13:30 | Miriana Tona v Julia B B Borddignon | 6-1,6-2 |
| ITF W25 Tucuman | 2022/02/04 12:30 | Carolina Alves v Gerlach, Katharina | 6-3,6-4 |
| ITF W25 Tucuman | 2022/02/03 13:30 | Julieta Lara Estable v Gerlach, Katharina | 3-6,4-6 |
| ITF W25 Tucuman | 2022/02/02 19:00 | Collens, Brittany v Gerlach, Katharina | 1-6,1-6 |
| Open d'Australie - Femmes | 2022/01/09 23:00 | Cadantu, Alexandra v Gerlach, Katharina | 6-3,6-1 |
| ITF W60 Bendigo | 2022/01/03 00:30 | Cristina Bucsa v Gerlach, Katharina | 7-5,6-3 |
| WTA Montevideo | 2021/11/15 17:30 | Gerlach, Katharina v Irina Maria Bara | 6-3,1-6,1-6 |
| ITF W60 Santiago | 2021/11/10 17:25 | Gerlach, Katharina v Emiliana Arango | 1-6,4-6 |
| ITF W60 Santiago | 2021/11/08 19:40 | Gerlach, Katharina v Javiera Verdugo | 6-0,6-0 |