| Houston WTA |
Round |
Result |
H |
A |
| 11.11. |
|
Baptiste H. - Kostova E. |
1R |
6-2, 6-4 |
1.71 |
2.10 |
| Las Vegas ITF |
Round |
Result |
H |
A |
| 06.11. |
|
Wagner S. - Kostova E. |
1R |
7-5, 6-2 |
2.08 |
1.67 |
| Toronto ITF |
Round |
Result |
H |
A |
| 01.11. |
|
Flipkens K. - Kostova E. |
QF |
6-3, 6-2 |
1.20 |
4.02 |
| 31.10. |
|
Kostova E. - Broady N. |
R16 |
6-3, 6-3 |
1.41 |
2.65 |
| 30.10. |
|
Kostova E. - Collard M. |
1R |
6-2, 4-6, 6-1 |
1.10 |
5.73 |
| Istanbul ITF |
Round |
Result |
H |
A |
| 23.10. |
|
Kubareva A. - Kostova E. |
R16 |
7-65, 2-6, 7-5 |
3.28 |
1.28 |
| 22.10. |
|
Kostova E. - Cengiz B. |
1R |
7-5, 6-0 |
1.33 |
3.03 |
| Moscow |
Round |
Result |
H |
A |
| 12.10. |
|
Grammatikopoulou V. - Kostova E. |
Q-1R |
6-3, 6-4 |
2.60 |
1.47 |
| Santa Margherita Di Pula 14 ITF |
Round |
Result |
H |
A |
| 05.10. |
|
Pereira T. - Kostova E. |
SF |
7-5, 6-4 |
1.99 |
1.70 |
| 04.10. |
|
Kostova E. - Alves C. |
QF |
6-3, 6-4 |
1.49 |
2.41 |
| 03.10. |
|
Kostova E. - Detiuc A. |
R16 |
6-4, 4-6, 6-1 |
1.40 |
2.68 |
| 02.10. |
|
Kostova E. - Delai M. |
1R |
6-0, 6-0 |
1.16 |
4.43 |
| Caldas da Rainha ITF |
Round |
Result |
H |
A |
| 25.09. |
|
In-Albon Y. - Kostova E. |
1R |
6-4, 6-2 |
2.53 |
1.46 |
| Meitar ITF |
Round |
Result |
H |
A |
| 13.09. |
|
Hobgarski K. - Kostova E. |
SF |
0-6, 6-3, 6-1 |
1.87 |
1.81 |
| 12.09. |
|
Kostova E. - Lemoine Q. |
QF |
6-2, 7-68 |
1.43 |
2.61 |
| 11.09. |
|
Kostova E. - Simmonds C. |
R16 |
6-2, 6-3 |
1.43 |
2.59 |
| 10.09. |
|
Kostova E. - Ghioroaie Y. |
1R |
6-3, 6-0 |
1.22 |
3.85 |
| Zagreb 2 ITF |
Round |
Result |
H |
A |
| 07.09. |
|
Buyukakcay C. - Kostova E. |
QF |
6-2, 6-4 |
1.58 |
2.12 |
| 05.09. |
|
Kostova E. - Lottner A. |
R16 |
6-2, 4-6, 7-64 |
2.33 |
1.52 |
| 04.09. |
|
Kostova E. - Njiric S. |
1R |
6-4, 62-7, 6-3 |
1.19 |
4.17 |
| Bagnatica ITF |
Round |
Result |
H |
A |
| 31.08. |
|
Korpatsch T. - Kostova E. |
QF |
65-7, 7-5, 6-2 |
1.40 |
2.67 |
| 29.08. |
|
Kostova E. - Andrianjafitrimo T. |
R16 |
6-4, 6-4 |
1.64 |
2.07 |
| 28.08. |
|
Kostova E. - Salden L. |
1R |
3-6, 6-4, 6-1 |
1.41 |
2.66 |
| US Open |
Round |
Result |
H |
A |
| 20.08. |
|
Wickmayer Y. - Kostova E. |
Q-1R |
7-5, 6-4 |
1.40 |
2.77 |
| Warsaw ITF |
Round |
Result |
H |
A |
| 08.08. |
|
Komardina A. - Kostova E. |
R16 |
2-6, 6-4, 6-3 |
1.80 |
1.86 |
| 07.08. |
|
Kostova E. - Bronzetti L. |
1R |
6-2, 6-4 |
1.34 |
2.87 |
| El Espinar ITF |
Round |
Result |
H |
A |
| 03.08. |
|
Terziyska J. - Kostova E. |
SF |
62-7, 6-4, 6-4 |
2.64 |
1.42 |
| 02.08. |
|
Kostova E. - Ianchuk O. |
QF |
6-0, 6-3 |
1.21 |
3.79 |
| 01.08. |
|
Kostova E. - Rosca I. |
R16 |
6-3, 4-6, 7-5 |
1.28 |
3.13 |
| 31.07. |
|
Kostova E. - Estable J. |
1R |
6-0 |
1.05 |
7.60 |
| Biarritz ITF |
Round |
Result |
H |
A |
| 19.07. |
|
Cepede Royg V. - Kostova E. |
QF |
6-2, 66-7, 6-1 |
1.31 |
3.13 |
| 18.07. |
|
Kostova E. - Shapatava S. |
R16 |
6-4, 6-1 |
1.19 |
3.26 |
| 16.07. |
|
Kostova E. - Stollar F. |
1R |
6-3, 6-1 |
1.60 |
2.09 |
| Versmold ITF |
Round |
Result |
H |
A |
| 12.07. |
|
Bara I. - Kostova E. |
R16 |
4-6, 6-3, 6-0 |
1.45 |
2.54 |
| 10.07. |
|
Kostova E. - Gerlach K. |
1R |
6-3, 7-5 |
1.27 |
3.40 |
| Denain ITF |
Round |
Result |
H |
A |
| 06.07. |
|
Hobgarski K. - Kostova E. |
SF |
6-1, 6-3 |
1.97 |
1.72 |
| 05.07. |
|
Kostova E. - Strakhova V. |
QF |
6-3, 6-4 |
1.19 |
4.02 |
| 04.07. |
|
Kostova E. - Kurata N. |
R16 |
4-6, 6-0, 6-1 |
1.23 |
3.55 |
| 03.07. |
|
Kostova E. - Poznikhirenko G. |
1R |
6-3, 6-3 |
1.29 |
3.18 |
| Montpellier ITF |
Round |
Result |
H |
A |
| 20.06. |
|
Halbauer E. - Kostova E. |
R16 |
6-1, 6-4 |
2.19 |
1.58 |
| 19.06. |
|
Kostova E. - Molinaro E. |
1R |
7-64, 6-3 |
1.42 |
2.65 |
| Prerov ITF |
Round |
Result |
H |
A |
| 16.06. |
|
Kalinina A. - Kostova E. |
F |
6-1, 4-6, 6-1 |
1.66 |
2.08 |
| 15.06. |
|
Kostova E. - Carreras A. |
SF |
6-2, 6-3 |
1.66 |
2.05 |
| 14.06. |
|
Kostova E. - Von Deichmann K. |
QF |
65-7, 6-3, 6-4 |
2.25 |
1.56 |
| 13.06. |
|
Kostova E. - Selekhmeteva O. |
R16 |
6-2, 7-64 |
1.24 |
3.54 |
| 12.06. |
|
Kostova E. - Tomanova N. |
1R |
7-5, 7-5 |
1.16 |
4.53 |
| Bundesliga - women |
Round |
Result |
H |
A |
| 10.06. |
|
Kostova E. - Lutzeier L. |
5R |
6-4, 6-2 |
|
|
| Santa Margarita de Montbui ITF |
Round |
Result |
H |
A |
| 02.06. |
|
Kostova E. - Rodionova A. |
F |
7-5, 6-3 |
1.67 |
2.04 |
| 01.06. |
|
Kostova E. - Podoroska N. |
SF |
6-3, 6-3 |
1.70 |
2.00 |
| 31.05. |
|
Kostova E. - Wang X. |
QF |
7-62, 6-1 |
3.56 |
1.24 |
| 30.05. |
|
Kostova E. - Cortez Llorca L. |
R16 |
6-0, 6-1 |
1.16 |
4.34 |
| 29.05. |
|
Kostova E. - Gamiz A. |
1R |
6-0, 6-1 |
1.27 |
3.34 |
| Nürnberg |
Round |
Result |
H |
A |
| 18.05. |
|
Hobgarski K. - Kostova E. |
Q-1R |
2-6, 6-2, 6-2 |
2.19 |
1.63 |
| Bundesliga - women |
Round |
Result |
H |
A |
| 12.05. |
|
Kostova E. - Pantuckova G. |
3R |
6-2, 6-2 |
|
|
| 10.05. |
|
Kostova E. - Schunk N. |
2R |
6-4, 6-1 |
|
|
| Les Franqueses ITF |
Round |
Result |
H |
A |
| 04.05. |
|
Burrage J. - Kostova E. |
QF |
6-3, 6-2 |
1.54 |
2.32 |
| 02.05. |
|
Kostova E. - Guerrero Alvarez E. |
R16 |
6-2, 6-4 |
1.56 |
2.26 |
| 01.05. |
|
Kostova E. - Popovic I. |
1R |
6-1, 6-3 |
1.14 |
4.82 |
| Anning WTA |
Round |
Result |
H |
A |
| 23.04. |
|
Zhang S. - Kostova E. |
1R |
4-6, 6-2, 6-1 |
1.22 |
4.10 |
| Bogotá WTA |
Round |
Result |
H |
A |
| 08.04. |
|
Lepchenko V. - Kostova E. |
1R |
6-3, 6-1 |
1.58 |
2.36 |
| 07.04. |
|
Bara I. - Kostova E. |
Q-R16 |
3-6, 6-2, 6-3 |
1.44 |
2.68 |
| 06.04. |
|
Kostova E. - Hives Z. |
Q-1R |
68-7, 7-5, 6-0 |
1.86 |
1.88 |
| Palm Harbor ITF |
Round |
Result |
H |
A |
| 05.04. |
|
Kovinic D. - Kostova E. |
QF |
7-64, 3-6, 6-2 |
1.31 |
3.19 |
| 04.04. |
|
Kostova E. - Honcova M. |
R16 |
6-2, 7-5 |
1.36 |
2.87 |
| 03.04. |
|
Kostova E. - Carrington S. |
1R |
6-0, 6-3 |
1.11 |
5.49 |
| Campinas ITF |
Round |
Result |
H |
A |
| 29.03. |
|
Pieri J. - Kostova E. |
QF |
7-66, 6-2 |
2.09 |
1.65 |
| 28.03. |
|
Kostova E. - Haas B. |
R16 |
1-6, 6-2, 6-0 |
2.52 |
1.45 |
| 27.03. |
|
Kostova E. - Herazo Gonzalez M. |
1R |
6-2, 6-3 |
1.37 |
2.84 |
| Curitiba ITF |
Round |
Result |
H |
A |
| 21.03. |
|
Paolini J. - Kostova E. |
R16 |
6-2, 4-6, 6-2 |
1.54 |
2.25 |
| 20.03. |
|
Kostova E. - Kurata N. |
1R |
6-4, 6-1 |
1.33 |
2.98 |
| Macon ITF |
Round |
Result |
H |
A |
| 26.02. |
|
Gervais J. - Kostova E. |
1R |
6-4, 6-4 |
2.54 |
1.45 |
| Glasgow ITF |
Round |
Result |
H |
A |
| 21.02. |
|
Parrizas-Diaz N. - Kostova E. |
R16 |
6-2, 7-68 |
2.30 |
1.55 |
| 20.02. |
|
Kostova E. - Ene C. |
1R |
6-4, 6-3 |
1.08 |
6.68 |
| Trnava 3 ITF |
Round |
Result |
H |
A |
| 14.02. |
|
Martincova T. - Kostova E. |
R16 |
6-3, 7-63 |
1.23 |
3.77 |
| 12.02. |
|
Kostova E. - Cisovska R. |
1R |
6-3, 6-4 |
1.05 |
8.16 |
| Trnava 2 ITF |
Round |
Result |
H |
A |
| 08.02. |
|
Hradecká L. - Kostova E. |
QF |
6-2, 6-4 |
1.61 |
2.15 |
| 07.02. |
|
Kostova E. - Sizikova Y. |
R16 |
6-3, 6-2 |
1.35 |
2.92 |
| 06.02. |
|
Kostova E. - Poznikhirenko G. |
1R |
6-2, 6-1 |
1.68 |
2.03 |
| Singapore 4 ITF |
Round |
Result |
H |
A |
| 25.01. |
|
Zhu L. - Kostova E. |
QF |
6-3, 6-2 |
1.25 |
3.56 |
| 24.01. |
|
Kostova E. - Seah C. |
R16 |
6-3, 6-0 |
1.01 |
11.06 |
| 22.01. |
|
Kostova E. - Broady N. |
1R |
6-2, 6-2 |
2.07 |
1.66 |
| Singapore 3 ITF |
Round |
Result |
H |
A |
| 17.01. |
|
Sharipova S. - Kostova E. |
R16 |
6-3, 2-6, 6-4 |
1.52 |
2.36 |
| 16.01. |
|
Kostova E. - Seah C. |
1R |
6-2, 6-2 |
1.01 |
11.29 |
| Australian Open |
Round |
Result |
H |
A |
| 08.01. |
|
Gibbs N. - Kostova E. |
Q-1R |
6-4, 6-2 |
1.16 |
4.81 |