Stadium: Cancha 1 Round: 25 Ground: Clay
| ITF W15 Luque | 2024/10/31 12:00 | Ana Candiotto v Katja Markus | 6-3,6-3 |
| ITF W15 Luque | 2024/10/30 17:25 | Agostina Andreazzini v Katja Markus | 1-6,6-4,2-6 |
| ITF W15 Trelew | 2024/10/22 18:45 | Sofia Meabe v Katja Markus | 7-6,6-2 |
| ITF W15 Trelew | 2024/10/14 18:00 | Katja Markus v Carolina Bohrer Martins | 3-6,6-7 |
| ITF W50 Pilar | 2024/09/25 16:35 | Katja Markus v Victoria Rodriguez | 1-6,1-6 |
| ITF W50 Tucuman | 2024/09/17 17:00 | Alexa Noel v Katja Markus | 6-3,6-1 |
| ITF W50 Tucuman | 2024/09/16 16:00 | Katja Markus v Lara Quaglia | 6-1,6-1 |
| ITF W50 Arequipa | 2024/08/20 14:30 | Julia Konishi Camargo Silva v Katja Markus | 6-1,6-4 |
| ITF W15 Luque | 2024/10/30 12:00 | Victoria Lopez Ocampos v Pilar B Lespiau | 7-5,4-6,3-6 |