| UTR Pro Tennis Series Barcelona Women | 2021/10/09 10:00 | Eva Martinez Regalado v Kiara Cvetkovic | 2-4 |
| UTR Pro Tennis Series Barcelona Women | 2021/10/07 08:00 | Kiara Cvetkovic v Katherine Westbury | 2-6,2-6 |
| UTR Pro Tennis Series Barcelona Women | 2021/10/06 11:00 | Kiara Cvetkovic v Gloria Alogo Piqueras | 0-6,3-6 |
| UTR Pro Tennis Series Barcelona Women | 2021/10/05 09:30 | Kiara Cvetkovic v Claudia Hoste Ferrer | 2-6,2-6 |
| UTR Pro Tennis Series Barcelona Women | 2021/10/04 12:00 | Kiara Cvetkovic v Berta M Avante | 2-6,5-6 |
| ITF W25 Verbier | 2021/08/22 13:15 | Kiara Cvetkovic v Elizabet Hamaliy | 0-6,3-6 |
| ITF W25 Klosters | 2021/06/20 13:00 | Kiara Cvetkovic v Vivian Wolff | 1-6,0-6 |
| ITF W15 Banja Luka | 2021/05/30 08:15 | Andreea Alexandra Lila v Kiara Cvetkovic | 6-2,6-2 |
| UTR Pro Tennis Series Barcelona Women | 2021/10/09 07:00 | Nora Ayala Serra v Valeria Koussenkova | 7-5,6-7,1-1 |
| UTR Pro Tennis Series Barcelona Women | 2021/10/08 08:00 | Ana L De La Nuez v Valeria Koussenkova | 6-2,5-1 |
| UTR Pro Tennis Series Barcelona Women | 2021/10/07 09:30 | Laura Garcia v Valeria Koussenkova | 6-7,6-3,6-3 |
| UTR Pro Tennis Series Barcelona Women | 2021/10/05 08:00 | Silvia Martinez Jimenez v Valeria Koussenkova | 6-1,6-2 |
| UTR Pro Tennis Series Barcelona Women | 2021/10/04 15:00 | Valeria Koussenkova v Esther L Alcaraz | 0-6,4-5 |
| ITF W25 Santarem | 2021/09/20 08:30 | Valeria Koussenkova v Pia Lovric | 0-6,1-6 |
| ITF W60 Caldas da Rainha | 2021/09/12 09:00 | Salma Djoubri v Valeria Koussenkova | 6-4,6-3 |
| ITF W25 Vigo | 2021/08/23 13:00 | Julieta H Andrino v Valeria Koussenkova | 4-6,6-4,10-2 |