Stadium: Pista 6 Round: 62 Ground: Hardcourt outdoor
| ITF W15 Madrid | 2020/12/06 17:00 | Natalie Augustinova v Karen Marthiens | 3-6,2-6 |
| ITF W15 Platja D'Aro | 2020/10/25 11:00 | Karen Marthiens v Amandine Cazeaux | 4-6,6-3,10-12 |
| ITF W15 Saint Palais Sur Mer | 2020/09/07 16:05 | Vicky Van De Peer v Karen Marthiens | 6-2,6-4 |
| ITF W15 Saint Palais Sur Mer | 2020/09/06 13:15 | Karen Marthiens v Maelie Monfils | 6-2,6-3 |
| ITF W25 Marbella | 2020/09/01 08:00 | Sebastianna Scilipoti v Karen Marthiens | 7-5,6-1 |
| ITF W25 Marbella | 2020/08/31 08:30 | Karen Marthiens v Alba Rey Garcia | 6-4,7-5 |
| ITF W25 Marbella | 2020/08/30 13:00 | Isabella Nunez v Karen Marthiens | 3-6,0-6 |
| ITF W80 Poitiers | 2019/10/21 12:50 | Margot Yerolymos v Karen Marthiens | 6-2,6-1 |
| ITF W15 Madrid | 2020/12/06 13:00 | Lucia Martinez v Helene Pellicano | 6-1,7-6 |
| ITF Women Castellon | 2020/11/03 08:00 | Lucia Martinez v Rebeca Pereira | 6-0,7-5 |
| ITF Women Castellon | 2020/11/02 11:30 | Noelia Bouzo Zanotti v Lucia Martinez | 3-6,5-7 |
| ITF Women Lawrence | 2018/11/03 14:00 | Lucia Martinez v Emma Navarro | 0-6,3-6 |
| ITF Women Hilton Head | 2018/09/25 14:30 | Lucia Martinez v Nadja Gilchrist | 4-6,4-6 |
| ITF Women Schio | 2018/07/26 10:30 | Eleonora Molinaro v Lucia Martinez | 7-5,6-3 |
| ITF Women Schio | 2018/07/25 18:00 | Camille Sireix v Lucia Martinez | 7-5,1-6,2-6 |
| ITF Women Schio | 2018/07/24 08:00 | Camilla Abbate v Lucia Martinez | 2-6,3-6 |