Stadium: Clay Court 9 Round: 62 Ground: Clay
| ITF W25 Heraklion | 2023/11/12 08:00 | Marthiens, Karen v Diana Maria Ilie | 4-6,6-4,3-10 |
| ITF W40 Heraklion | 2023/11/05 07:00 | Isabella B Aguirre v Marthiens, Karen | 6-4,6-1 |
| ITF W40 Heraklion | 2023/10/30 07:00 | Marthiens, Karen v Oana Gavrila | 0-6,1-6 |
| ITF W25 Heraklion | 2023/10/22 06:00 | Sina Herrmann v Marthiens, Karen | 7-6,6-1 |
| ITF - W15 Héraklion | 2023/10/16 06:30 | Anastasiia Poplavska v Marthiens, Karen | 0-6,6-2,10-4 |
| ITF - W15 Héraklion | 2023/10/15 06:00 | Derivan, Sophia v Marthiens, Karen | 3-6,1-6 |
| ITF W40 Saint Palais Sur Mer | 2023/09/03 13:55 | Amandine Monnot v Marthiens, Karen | 6-3,6-3 |
| ITF W25 Saint Palais Sur Mer | 2022/09/04 12:00 | Zivic, Tea v Marthiens, Karen | 7-5,1-6,10-7 |
| ITF W25 Slobozia | 2023/09/17 07:00 | Andreea Stefania Dinca v Rebeca Maria Tudose | 7-6,6-7,4-10 |
| ITF W15 Brasov | 2023/08/29 10:20 | Linda Sevcikova v Andreea Stefania Dinca | 6-1,6-0 |
| ITF W15 Brasov | 2023/08/21 12:35 | Andreea Stefania Dinca v Daria Stefania Malaescu | 1-6,2-6 |
| ITF - W15 Monastir | 2023/02/05 14:00 | Andreea Stefania Dinca v Liel M Rothensteiner | 0-6,1-6 |