| ITF W15 Trelew | 2025/05/20 16:59 | Katja Markus v Sofia Da Cruz Mendonca | 6-7,6-1,3-5 |
| ITF W15 Trelew | 2025/05/14 15:00 | Martina Capurro Taborda v Katja Markus | 6-0,6-0 |
| ITF W15 Trelew | 2025/05/13 16:00 | Elizaveta Castillo v Katja Markus | 3-6,6-1,4-6 |
| UTR Pro Tigre Women | 2025/02/23 15:15 | Susan Doldan v Katja Markus | 2-6,1-6 |
| UTR Pro Tigre Women | 2025/02/22 13:40 | Maria Sol Alvarez Brandon v Katja Markus | 2-6,3-6 |
| UTR Pro Tigre Women | 2025/02/21 19:20 | Marcelina Podlinska v Katja Markus | 7-6,6-2 |
| UTR Pro Tigre Women | 2025/02/20 16:55 | Martina Capurro Taborda v Katja Markus | 6-1,6-1 |
| UTR Pro Tigre Women | 2025/02/19 15:15 | Marian G P Cano v Katja Markus | 6-3,6-1 |
| ITF W35 Santo Domingo | 2025/06/03 15:18 | Dasha Ivanova v Carolina Xavier Laydner | 6-0,6-0 |
| ITF W35 Santo Domingo | 2025/06/02 13:00 | Carolina Xavier Laydner v Raphaelle Lacasse | 6-3,3-6,1-0 |
| ITF W35 Norman | 2024/10/30 15:00 | Daria Kuczer v Carolina Xavier Laydner | 6-2,6-0 |
| ITF W35 Norman | 2024/10/29 17:05 | Carolina Xavier Laydner v Esther Lovato | 6-7,6-4,10-7 |
| ITF W35 Norman | 2024/10/28 18:00 | Malak El Allami v Carolina Xavier Laydner | 3-6,4-6 |
| ITF W35 Pilar | 2024/07/30 13:55 | Maria F Urrutia v Carolina Xavier Laydner | 6-0,6-0 |
| ITF W35 Pilar | 2024/07/29 17:15 | Agustina Daniela Duarte v Carolina Xavier Laydner | 4-6,0-6 |
| ITF W15 Lujan | 2024/07/17 12:50 | Carolina Xavier Laydner v Camila Romero | 6-3,3-6,2-6 |