Stadium: Court 20 Round: 62 Ground: Clay
| ITF W15 Antalya | 2021/10/12 09:05 | Anastasia Piangerelli v Ilay Yoruk | 0-6,5-7 |
| ITF W15 Kairo | 2021/09/01 10:45 | Anastasia Piangerelli v Lamis Alhussein Abdel Aziz | 2-6,2-6 |
| ITF W25 Pescara | 2021/08/02 07:00 | Anastasia Piangerelli v Irene Lavino | 1-6,4-6 |
| ITF W25 Pescara | 2021/08/01 07:00 | Ksenia Kolesnikova v Anastasia Piangerelli | 1-6,2-6 |
| ITF W15 Cordenons | 2021/07/29 09:35 | Anastasia Piangerelli v Martina Colmegna | 1-6,3-6 |
| ITF W15 Cordenons | 2021/07/27 16:05 | Anja Wildgruber v Anastasia Piangerelli | 1-6,6-2,2-6 |
| ITF W25 Tarvisio | 2021/07/12 08:30 | Federica Arcidiacono v Anastasia Piangerelli | 6-2,6-0 |
| ITF W25 Tarvisio | 2021/07/11 08:30 | Daniela Glanzer v Anastasia Piangerelli | 3-6,2-6 |
| ITF W15 Antalya | 2021/10/17 07:00 | Kateryna Diatlova v Zara Brankovic | 6-2,6-0 |
| ITF W15 Antalya | 2021/10/11 07:00 | Mavie Osterreicher v Kateryna Diatlova | 6-1,2-6,10-5 |
| ITF W15 Tšornomorsk | 2021/08/25 12:05 | Timea Jaruskova v Kateryna Diatlova | 7-6,6-3 |
| ITF W25 Kiiev | 2021/07/20 08:40 | Kateryna Diatlova v Su Jeong Jang | 1-6,1-6 |
| UTF Invitational – naised | 2020/05/28 08:49 | Kateryna Diatlova v Mariia Bergen | 5-3 |
| ITF W15 Irákleio | 2020/03/11 12:30 | Kateryna Diatlova v Elina Avanesyan | 3-6,3-6 |
| ITF W15 Irákleio | 2020/03/10 08:00 | Kateryna Diatlova v Lara Panfilov | 6-4,6-1 |
| ITF W15 Irákleio | 2020/03/08 08:30 | Sofiia Likhacheva v Kateryna Diatlova | 2-6,0-6 |