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Davis Сup Group I Tennis. Played Kostova Elitsa. Season 2021
Country 
Bulgaria. Ranking WTA 0.
Bulgaria. Ranking WTA 0. W100 Contrexeville | ||||
|---|---|---|---|---|
| 08.07.2021 | Second round | Kostova Elitsa — Galfi Dalma | 0:2 (6:7, 1:6) |
|
| 06.07.2021 | First round | Kostova Elitsa — Eikeri Ulrikke | 2:1 (6:4, 3:6, 6:4) |
|
 WTA - Wimbledon | ||||
| 24.06.2021 | Qualifications - 2nd round | Kostova Elitsa — Wang Xin Yu | 0:2 (2:6, 1:6) |
|
| 23.06.2021 | Qualifications - 1st round | Kostova Elitsa — Aiava Destanee | 2:0 (6:4, 7:5) |
|
| WTA - French Open | ||||
| 26.05.2021 | Qualifications - 2nd round | Kostova Elitsa — Gorgodze Ekaterine | 0:2 (6:7, 3:6) |
|
| 24.05.2021 | Qualifications - 1st round | Djoubri Salma — Kostova Elitsa | 0:2 (3:6, 2:6) |
|
 WTA - Belgrade | ||||
| 27.07.2021 | First round | Rus Arantxa — Kostova Elitsa | 2:0 (6:1, 6:0) |
|
 WTA - Australian Open | ||||
| 10.01.2021 | Qualifications - 1st round | Lottner Antonia — Kostova Elitsa | 2:0 (6:4, 7:5) |
|