Stadium: Court 21 Round: 62 Ground: Clay
| ITF W15 Antalya | 2021/10/28 08:35 | Julie Belgraver v Kateryna Diatlova | 6-2,6-4 |
| ITF W15 Antalya | 2021/10/20 07:00 | Martina Spigarelli v Kateryna Diatlova | 6-3,6-2 |
| ITF W15 Antalya | 2021/10/19 07:00 | Kateryna Diatlova v Sabina Dadaciu | 6-3,6-1 |
| ITF W15 Antalya | 2021/10/18 07:00 | Anastasia Piangerelli v Kateryna Diatlova | 2-6,5-7 |
| 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 Chornomorsk | 2021/08/25 12:05 | Timea Jaruskova v Kateryna Diatlova | 7-6,6-3 |
| ITF W25 Kyiv | 2021/07/20 08:40 | Kateryna Diatlova v Su Jeong Jang | 1-6,1-6 |