Stadium: Court 4 Round: 54 Ground: Clay
| ITF W25 Junin | 2023/07/31 17:35 | Alessandra Caceres v Sofia Constanza Karlau | 6-0,6-1 |
| ITF W25 Bragado | 2023/07/24 14:00 | Alessandra Caceres v Sofia Constanza Karlau | 6-1,6-3 |
| ITF W15 Rosario | 2023/06/28 12:45 | Mell E R Gonzalez v Sofia Constanza Karlau | 6-1,6-3 |
| ITF W15 Rosario | 2023/06/27 12:00 | Katya Ramirez v Sofia Constanza Karlau | 6-7,3-6 |
| ITF W15 Buenos Aires | 2023/06/19 13:30 | Luana Avelar v Sofia Constanza Karlau | 7-5,4-6,10-7 |
| UTR Pro Tigre Women | 2023/03/18 11:30 | Luciene Benitez Boiero v Sofia Constanza Karlau | 6-3,5-4 |
| UTR Pro Tigre Women | 2023/03/17 18:22 | Sofia Constanza Karlau v Maria A Farina | 1-6,0-6 |
| UTR Pro Tigre Women | 2023/03/16 17:41 | Sofia Constanza Karlau v Josefina Estevez | 3-6,1-6 |
| ITF W15 Wanfercee-Baulet | 2023/08/23 16:45 | Chelsea Vanhoutte v Carla Markus | 6-2,6-2 |
| ITF W25 Erwitte | 2023/08/14 15:30 | Ekaterina Ovcharenko v Carla Markus | 6-4,6-1 |
| ITF W25 Erwitte | 2023/08/14 10:30 | Katja Markus v Carla Markus | 2-6,3-6 |
| ITF W15 Rosario | 2023/06/30 14:45 | Carla Markus v Maria F Urrutia | 3-6,3-6 |
| ITF W15 Rosario | 2023/06/29 15:05 | Carla Markus v Jade Haller | 2-6,7-6,6-1 |
| ITF W15 Rosario | 2023/06/27 13:30 | Carla Markus v Nicole Poj | 6-1,6-2 |
| ITF W15 Buenos Aires | 2023/06/20 15:00 | Marina Bulbarella v Carla Markus | 7-5,6-2 |
| ITF W15 Recife | 2023/05/24 13:30 | Paola Ueno Dalmonico v Carla Markus | 7-5,6-7,6-2 |