Stadium: Court 20 Round: 26 Ground: Clay
| ITF - W15 Antalya | 2021/06/30 06:30 | Claudia Hoste Ferrer v Anastasiya Zaparyniuk | 6-2,4-6,6-1 |
| ITF - W15 Heraklion | 2021/06/11 07:00 | Michaela Bayerlova v Claudia Hoste Ferrer | 6-3,6-4 |
| ITF - W15 Heraklion | 2021/06/10 06:30 | Nicole Nadel v Claudia Hoste Ferrer | 6-7,4-6 |
| ITF - W15 Heraklion | 2021/06/09 09:55 | Vanja Gudelj v Claudia Hoste Ferrer | 1-6,0-6 |
| ITF - W15 Santa Margarita de Montbui | 2021/05/26 09:00 | Claudia Hoste Ferrer v Rosa Vicens Mas | 1-6,4-6 |
| ITF - W25 Platja D’Aro | 2021/05/19 15:50 | Alice Rame v Claudia Hoste Ferrer | 6-0,6-1 |
| ITF - W60 La Bisbal | 2021/05/10 10:25 | Claudia Hoste Ferrer v Marina Bassols Ribera | 4-6,2-6 |
| ITF - W60 La Bisbal | 2021/05/09 12:10 | Alba Carrillo Marin v Claudia Hoste Ferrer | 3-6,1-6 |
| ITF - W15 Antalya | 2021/06/29 11:25 | Ani Vangelova v Lyubov Kostenko | 3-6,3-6 |
| ITF - W15 Antalya | 2021/06/10 08:50 | Vanda Lukacs v Lyubov Kostenko | 6-1,6-1 |
| ITF - W15 Antalya | 2021/06/09 11:35 | Ivania Martinich v Lyubov Kostenko | 6-2,2-6,2-6 |
| ITF - W15 Antalya | 2021/06/03 07:30 | Federica Bilardo v Lyubov Kostenko | 7-5,6-2 |
| ITF - W15 Antalya | 2021/06/02 08:25 | Lyubov Kostenko v Taylor Ng | 6-4,6-2 |
| ITF - W15 Sharm El Sheikh | 2021/04/07 07:00 | Lyubov Kostenko v Andre Lukosiute | 2-6,4-6 |
| ITF - W15 Sharm El Sheikh | 2021/03/31 14:20 | Anastasia Sukhotina v Lyubov Kostenko | 6-4,6-1 |
| ITF - W15 Sharm El Sheikh | 2021/03/30 08:15 | Andre Lukosiute v Lyubov Kostenko | 0-6,3-6 |