Stadium: Court 4 Round: 25 Ground: Clay
| ITF W25 Koksijde | 2021/08/10 08:00 | Anna Siskova v Valentyna Ivakhnenko | 6-4,3-6,0-6 |
| ITF W25 Parnu | 2021/08/08 10:25 | Kaia Kanepi v Anna Siskova | 7-5,6-4 |
| ITF W25 Parnu | 2021/08/07 08:55 | Oleksandra Oliynykova v Anna Siskova | 4-6,2-6 |
| ITF W25 Parnu | 2021/08/06 08:00 | Anna Siskova v Giulia Gatto Monticone | 6-3,0-6,6-3 |
| ITF W25 Parnu | 2021/08/05 08:30 | Anna Siskova v Nastja Kolar | 6-1,6-3 |
| ITF W25 Parnu | 2021/08/04 16:55 | Anna Siskova v Verena Meliss | 6-2,6-4 |
| ITF W60 Olomouc | 2021/07/21 10:35 | Nikola Breckova v Anna Siskova | 6-3,3-6,6-3 |
| ITF W60 Nur-Sultan | 2021/07/15 06:00 | Yuliya Hatouka v Anna Siskova | 6-2,6-1 |
| ITF W60 San Bartolome De Tirajana | 2021/08/09 14:50 | Martina Colmegna v Olga Saez Larra | 1-6,5-7 |
| ITF W60 San Bartolome De Tirajana | 2021/08/08 13:50 | Martina Colmegna v Claudia Hoste Ferrer | 6-3,6-2 |
| ITF W25 Pescara | 2021/08/05 13:35 | Martina Colmegna v Anastasia Grymalska | 4-6,4-6 |
| ITF W15 Cordenons | 2021/07/30 12:00 | Nicole Fossa Huergo v Martina Colmegna | 6-4,2-6,6-1 |
| ITF W15 Cordenons | 2021/07/29 09:35 | Anastasia Piangerelli v Martina Colmegna | 1-6,3-6 |
| ITF W15 Cordenons | 2021/07/28 13:40 | Sofia Rocchetti v Martina Colmegna | 1-6,3-6 |
| ITF W25 Telavi | 2021/07/19 13:15 | Elena Malygina v Martina Colmegna | 6-2,3-6,6-2 |
| ITF W25 Telavi | 2021/07/14 10:40 | Marine Partaud v Martina Colmegna | 6-3,6-3 |