Stadium: Court 1 Round: 62 Ground: Clay
| ITF W15 Buenos Aires | 2023/11/14 18:50 | Katja Markus v Leticia Garcia Vidal | 0-6,0-6 |
| ITF W25 Mendoza | 2023/10/03 14:30 | Maria Camila Torres Murcia v Katja Markus | 6-7,6-1,10-7 |
| ITF W25 Mendoza | 2023/10/02 16:00 | Katja Markus v Catarina M I Melleiro Junior | 6-2,6-2 |
| ITF W25 Lujan | 2023/09/24 13:00 | Katja Markus v Camila Romero | 0-6,2-6 |
| ITF W15 Wanfercee-Baulet | 2023/08/21 07:30 | Vivien Sandberg v Katja Markus | 6-2,6-1 |
| ITF W25 Erwitte | 2023/08/14 10:30 | Katja Markus v Carla Markus | 2-6,3-6 |
| ITF W15 Rosario | 2023/06/27 12:00 | Katja Markus v Michela Castro Zunino | 3-6,2-6 |
| ITF W15 Buenos Aires | 2023/06/19 13:30 | Katja Markus v Michela Castro Zunino | 7-6,1-6,3-10 |
| ITF W15 Buenos Aires | 2023/11/14 16:40 | Luciana Moyano v Francesca Mattioli | 6-4,6-2 |
| ITF W15 Buenos Aires | 2023/11/13 16:00 | Francesca Mattioli v Susan Doldan | 6-3,6-3 |
| ITF W15 Buenos Aires | 2023/11/13 13:00 | Camilla Bossi v Francesca Mattioli | 3-6,0-6 |
| ITF W15 Catez Ob Savi | 2022/05/30 09:55 | Vanda Vargova v Francesca Mattioli | 3-6,6-4,10-3 |