| UTR Pro Zadar - Femmes | 2023/03/27 11:26 | Laura Svatikova v Kostova, Elitsa | 2-6,4-6 |
| UTR Pro Blagoevgrad Women | 2023/03/19 07:30 | Ksenia Laskutova v Kostova, Elitsa | 2-6,6-4,5-4 |
| UTR Pro Blagoevgrad Women | 2023/03/18 06:00 | Gaspar-Ivan, Ioana v Kostova, Elitsa | 6-4,1-6,6-7 |
| UTR Pro Blagoevgrad Women | 2023/03/17 06:00 | Kostova, Elitsa v Shalamanova, Daria | 2-6,6-2,5-3 |
| UTR Pro Blagoevgrad Women | 2023/03/16 07:30 | Kostova, Elitsa v Andrada Ekaterina Komarov | 6-0,6-2 |
| UTR Pro Blagoevgrad Women | 2023/03/15 11:21 | Lidia Encheva v Kostova, Elitsa | 3-6,2-6 |
| UTR Pro Blagoevgrad Women | 2023/03/14 07:30 | Vaneva, Zinovia v Kostova, Elitsa | 6-7,0-6 |
| UTR Pro Zadar - Femmes | 2023/03/11 18:00 | Iva Primorac v Kostova, Elitsa | 7-5,6-4 |