Stadium: Cancha 9 Round: 24 Ground: Clay
| ITF W25 Erwitte | 2023/08/14 10:30 | Katja Markus v Carla Markus | 2-6,3-6 |
| ITF W25 Tucuman | 2023/02/28 14:55 | Katja Markus v Carla Markus | 1-6,5-7 |
| ITF W25 Tucuman | 2022/10/10 17:00 | Katja Markus v Carla Markus | 2-6,0-6 |
| ITF W35 Anapoima | 2024/04/29 14:50 | Carla Markus v Ximena Senties | 6-4,6-0 |
| ITF W35 Anapoima | 2024/04/28 17:30 | Carla Markus v Sara S G Cano | 6-0,6-0 |
| ITF W50 Sao Paulo | 2024/03/25 15:45 | Kylie Mckenzie v Carla Markus | 6-0,6-1 |
| ITF W15 Campinas | 2024/03/19 16:00 | Carla Markus v Michaela Bayerlova | 2-6,1-6 |
| ITF W15 Sao Paulo | 2024/03/13 12:00 | Carla Markus v Alicia Herrero Linana | 2-6,0-6 |
| ITF W15 Cordoba | 2024/03/06 15:35 | Carla Markus v Melany Solange Krywoj | 0-6,0-6 |
| ITF W15 Tucuman | 2024/02/29 13:50 | Leticia Garcia Vidal v Carla Markus | 6-4,6-3 |
| ITF W15 Tucuman | 2024/02/28 12:00 | Sol Rabin v Carla Markus | 4-6,4-6 |
| ITF W35 Anapoima | 2024/04/29 16:50 | Amanda C Nava Elkin v Katja Markus | 6-2,6-1 |
| ITF W35 Anapoima | 2024/04/28 19:30 | Alejandra Galindo Rincon v Katja Markus | 0-6,0-6 |
| ITF W15 Campinas | 2024/03/18 13:00 | Camilla Zanolini v Katja Markus | 6-1,6-1 |
| ITF W15 Sao Paulo | 2024/03/13 13:15 | Emily Seibold v Katja Markus | 6-1,6-1 |
| ITF W15 Sao Paulo | 2024/03/12 09:30 | Katja Markus v Elizabeth Danailova | 7-5,6-4 |
| ITF W15 Cordoba | 2024/03/05 15:00 | Katja Markus v Victoria Bosio | 1-6,1-6 |
| ITF W15 Tucuman | 2024/02/28 13:25 | Katja Markus v Camilla Zanolini | 3-6,4-6 |
| ITF W15 Tucuman | 2024/02/27 14:40 | Katja Markus v Helena Bueno | 6-3,6-4 |