Estadio: Court 1 Round: 25 Ground: Clay
| ITF W25 Madrid | 2021/06/15 07:00 | Ganna Poznikhirenko v Viktoria Morvayova | 4-6,0-6 |
| ITF W25 Madrid | 2021/06/14 09:30 | Ganna Poznikhirenko v Ashley Lahey | 1-6,6-4,10-6 |
| ITF W25 Madrid | 2021/06/09 09:05 | Ganna Poznikhirenko v Elitsa Kostova | 3-6,3-6 |
| ITF W25 Madrid | 2021/06/08 07:10 | Ganna Poznikhirenko v Judith P Saavedra | 6-1,6-2 |
| UTR Pro Tennis Series - Barcelona - Femenino | 2021/06/04 09:30 | Berta M Avante v Ganna Poznikhirenko | 2-6,3-6 |
| UTR Pro Tennis Series - Barcelona - Femenino | 2021/06/03 12:30 | Zoe Richard v Ganna Poznikhirenko | 3-6,3-5 |
| UTR Pro Tennis Series - Barcelona - Femenino | 2021/06/02 11:00 | Valeria Koussenkova v Ganna Poznikhirenko | 1-6,1-6 |
| UTR Pro Tennis Series - Barcelona - Femenino | 2021/05/31 12:30 | Darja Semenistaja v Ganna Poznikhirenko | 6-3,6-2 |
| ITF 15 Antalya - Femenino | 2021/07/01 06:25 | Claudia Hoste Ferrer v Lyubov Kostenko | 6-4,3-6,7-6 |
| ITF 15 Antalya - Femenino | 2021/06/29 11:25 | Ani Vangelova v Lyubov Kostenko | 3-6,3-6 |
| ITF 15 Antalya - Femenino | 2021/06/10 08:50 | Vanda Lukacs v Lyubov Kostenko | 6-1,6-1 |
| ITF 15 Antalya - Femenino | 2021/06/09 11:35 | Ivania Martinich v Lyubov Kostenko | 6-2,2-6,2-6 |
| ITF 15 Antalya - Femenino | 2021/06/03 07:30 | Federica Bilardo v Lyubov Kostenko | 7-5,6-2 |
| ITF 15 Antalya - Femenino | 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 |