Stadium: Pista Café Brasileña Round: 54 Ground: Hardcourt outdoor
| ITF W15 Antalya | 2021/07/02 06:30 | Ilona-Georgiana Ghioroaie v Lilly Elida Haseth | 6-2,6-2 |
| ITF W15 Antalya | 2021/07/01 08:00 | Lilly Elida Haseth v Anja Wildgruber | 2-6,7-6,6-3 |
| ITF W15 Antalya | 2021/06/22 07:00 | Ivania Martinich v Lilly Elida Haseth | 6-2,5-7,10-7 |
| ITF W15 Antalya | 2021/06/21 12:20 | Koral Koldobski v Lilly Elida Haseth | 2-6,2-6 |
| ITF W15 Antalya | 2021/06/14 07:30 | Lilly Elida Haseth v Melisa Senli | 2-6,6-4,8-10 |
| ITF W15 Antalya | 2021/06/13 07:30 | Lilly Elida Haseth v Gozde Turhan | 6-2,6-2 |
| ITF W25 Madrid | 2021/06/07 07:15 | Lilly Elida Haseth v Kamilla Bartone | 4-6,4-6 |
| ITF W25 Madrid | 2021/06/06 12:00 | Lilly Elida Haseth v Laura M-B Orallo | 6-0,6-0 |
| ITF W25 Perigueux | 2021/06/22 08:00 | Karen Marthiens v Guiomar Maristany Zuleta De Reales | 3-6,0-6 |
| ITF W25 Madrid | 2021/06/13 12:00 | Andrea Burguete Beltran v Karen Marthiens | 6-0,4-6,10-7 |
| ITF W15 Heraklion | 2021/06/01 06:30 | Karen Marthiens v Antonia Schmidt | 1-6,3-6 |
| ITF W15 Heraklion | 2021/05/25 06:30 | Karen Marthiens v Eliz Maloney | 7-6,6-4 |
| ITF W15 Heraklion | 2021/05/24 08:00 | Karen Marthiens v Marija Semenistaja | 6-4,6-2 |
| ITF W15 Heraklion | 2021/05/19 10:30 | Karen Marthiens v Tamara Malesevic | 1-6,1-6 |
| ITF W15 Heraklion | 2021/05/18 06:30 | Karen Marthiens v Aglaya Zaynieva | 6-2,3-6,11-9 |
| ITF W15 Le Havre | 2021/03/21 14:25 | Anaelle Leclercq v Karen Marthiens | 7-6,6-1 |