| UTR Pro Tennis Series Barcelona Women | 2021/04/15 08:00 | Valeria Koussenkova v Darja Semenistaja | 0-6,1-6 |
| UTR Pro Tennis Series Barcelona Women | 2021/06/02 11:00 | Valeria Koussenkova v Poznikhirenko, Ganna | 1-6,1-6 |
| UTR Pro Tennis Series Barcelona Women | 2021/06/01 08:00 | Valeria Koussenkova v Berta M Avante | 2-6,0-6 |
| UTR Pro Tennis Series Barcelona Women | 2021/05/31 08:00 | Richard, Zoe v Valeria Koussenkova | 0-0 |
| ITF W25 SM de Montbui | 2021/05/24 09:00 | Valeria Koussenkova v Retortillo Soiras, Alba | 4-6,5-7 |
| ITF W25 Platja D’Aro | 2021/05/17 08:30 | Valeria Koussenkova v Oana Georgeta Simion | 3-6,0-6 |
| ITF W25 Platja D’Aro | 2021/05/16 07:30 | Ayala Serra, Nora v Valeria Koussenkova | 1-6,5-7 |
| UTR Pro Tennis Series Barcelona Women | 2021/04/18 09:30 | Berta M Avante v Valeria Koussenkova | 6-4,6-1 |
| UTR Pro Tennis Series Barcelona Women | 2021/04/17 10:00 | Briones Ginesta, Ariadna v Valeria Koussenkova | 3-6,6-1,4-6 |
| UTR Pro Tennis Series Barcelona Women | 2021/06/03 12:30 | Berta M Avante v Darja Semenistaja | 2-6,4-5 |
| UTR Pro Tennis Series Barcelona Women | 2021/06/01 08:00 | Richard, Zoe v Darja Semenistaja | 7-6,1-6,0-6 |
| UTR Pro Tennis Series Barcelona Women | 2021/05/31 12:30 | Darja Semenistaja v Poznikhirenko, Ganna | 6-3,6-2 |
| UTR Pro Tennis Series Pazardzhik Women | 2021/05/16 08:00 | Kostova, Elitsa v Darja Semenistaja | 6-1,6-3 |
| UTR Pro Tennis Series Pazardzhik Women | 2021/05/15 06:00 | Kolar, Nastja v Darja Semenistaja | 4-6,4-6 |
| UTR Pro Tennis Series Pazardzhik Women | 2021/05/14 09:00 | Darja Semenistaja v Katerina Dimitrova | 6-3,6-3 |
| UTR Pro Tennis Series Pazardzhik Women | 2021/05/12 10:00 | Darja Semenistaja v Gaspar-Ivan, Ioana | 6-2,6-4 |
| UTR Pro Tennis Series Pazardzhik Women | 2021/05/11 07:00 | Darja Semenistaja v Vaneva, Zinovia | 6-2,6-3 |