Stadium: Court 7 Round: 25 Ground: Clay
| ITF W25 Cordoba | 2021/04/06 12:00 | Yvonne Cavalle-Reimers v Sofia Sewing | 3-6,6-0,13-11 |
| ITF W25 Cordoba | 2021/04/05 14:00 | Yvonne Cavalle-Reimers v Delfina Glorioso | 6-0,6-0 |
| ITF W25 Villa Maria | 2021/04/01 17:05 | Yvonne Cavalle-Reimers v Francesca Jones | 6-7,7-6,3-6 |
| ITF W25 Villa Maria | 2021/03/31 19:40 | Yvonne Cavalle-Reimers v Guillermina Naya | 4-6,6-4,6-3 |
| ITF W25 Villa Maria | 2021/03/30 12:25 | Yvonne Cavalle-Reimers v Delfina Glorioso | 6-1,6-0 |
| ITF W25 Buenos Aires | 2021/03/26 19:00 | Yvonne Cavalle-Reimers v Yuki Naito | 2-6,3-6 |
| ITF W25 Buenos Aires | 2021/03/26 13:55 | Beatriz Haddad Maia v Yvonne Cavalle-Reimers | 6-7,6-0,3-6 |
| ITF W25 Buenos Aires | 2021/03/24 17:45 | Yvonne Cavalle-Reimers v Gabriela Ce | 6-2,6-4 |
| ITF W25 Villa Maria | 2021/04/01 14:40 | Maria Lourdes Carle v Valentini Grammatikopoulou | 7-5,6-4 |
| ITF W25 Villa Maria | 2021/03/30 15:30 | Laura Pigossi v Valentini Grammatikopoulou | 3-6,5-7 |
| ITF W25 Buenos Aires | 2021/03/24 15:05 | Panna Udvardy v Valentini Grammatikopoulou | 6-1,6-4 |
| ITF W25 Kazan | 2021/03/12 06:55 | Anastasia Tikhonova v Valentini Grammatikopoulou | 6-2,4-6,6-4 |
| ITF W25 Kazan | 2021/03/11 09:30 | Valentini Grammatikopoulou v Sofya Lansere | 7-5,6-1 |
| ITF W25 Kazan | 2021/03/10 11:45 | Valentini Grammatikopoulou v Daria Mishina | 7-5,7-5 |
| ITF W25 Moscow | 2021/02/23 12:20 | Valentini Grammatikopoulou v Anastasia Zakharova | 4-6,6-7 |
| ITF W25 Altenkirchen | 2021/02/15 14:30 | Valentini Grammatikopoulou v Ylena In-Albon | 3-6,2-6 |