Stadium: Court 6 Round: 54 Ground: Clay
| UTR Pro Tigre Women | 2023/11/30 18:45 | Justina M Gonzalez Daniele v Katja Markus | 5-7,6-2,6-2 |
| UTR Pro Tigre Women | 2023/11/29 19:17 | Rocio D Merlo v Katja Markus | 6-0,6-3 |
| UTR Pro Tigre Women | 2023/11/29 12:55 | Daria Lodikova v Katja Markus | 6-1,5-0 |
| UTR Pro Tigre Women | 2023/11/27 12:00 | Martina M Bovio v Katja Markus | 3-6,3-5 |
| UTR Pro Tigre Women | 2023/11/26 12:00 | Katja Markus v Susan Doldan | 6-0,6-4 |
| ITF W15 Cordoba | 2023/11/21 13:00 | Katja Markus v Francesca Mattioli | 6-7,3-6 |
| 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 W15 Banja Luka | 2023/06/06 07:00 | Victoria Borodulina v Fernanda Rain Contreras | 3-6,6-2,10-6 |
| ITF W15 Banja Luka | 2023/06/05 09:00 | Sara Mikaca v Fernanda Rain Contreras | 4-6,6-4,5-10 |
| ITF W15 Kursumlijska Banja | 2023/05/28 09:30 | Fernanda Rain Contreras v Elizabeth Danailova | 1-6,4-6 |
| ITF W15 Antalya | 2023/04/16 07:00 | Doga Turkmen v Fernanda Rain Contreras | 6-2,6-1 |
| ITF W15 Antalya | 2023/04/09 06:30 | Fernanda Rain Contreras v Vittoria Modesti | 6-3,2-6,11-13 |
| ITF W15 Antalya | 2023/04/04 07:00 | Maria Sara Popa v Fernanda Rain Contreras | 6-1,6-2 |
| ITF W15 Antalya | 2023/04/03 07:00 | Patricia R Carretero v Fernanda Rain Contreras | 1-6,0-6 |
| ITF W15 Antalya | 2023/04/02 07:00 | Fernanda Rain Contreras v Madison Bourguignon | 4-6,7-5,10-4 |