Stadium: C Round: 25
| ITF Women Saint Gaudens | 2017/05/16 14:10 | Elitsa Kostova v Dalma Galfi | 4-6,2-6 |
| ITF Women Charleston | 2017/05/03 14:00 | Victoria Duval v Elitsa Kostova | 7-5,6-3 |
| ITF Women Charlottesville | 2017/04/27 17:55 | Caroline Dolehide v Elitsa Kostova | 6-1,6-3 |
| ITF Women Charlottesville | 2017/04/26 20:00 | Maria Sanchez v Elitsa Kostova | 6-7,6-3,3-6 |
| ITF Women Dothan | 2017/04/19 17:55 | Michelle Larcher de Brito v Elitsa Kostova | 6-2,2-6,6-4 |
| WTA Bogota | 2017/04/12 15:30 | Magda Linette v Elitsa Kostova | 6-4,6-4 |
| WTA Bogota | 2017/04/10 15:30 | Grace Min v Elitsa Kostova | 3-6,1-6 |
| WTA Monterrey | 2017/04/04 22:10 | Elitsa Kostova v Mandy Minella | 6-7,3-6 |
| ITF Women Dunakeszi | 2017/05/09 13:50 | Tereza Smitkova v Polina Leykina | 3-6,6-2,6-2 |
| ITF Women Wiesbaden | 2017/05/03 11:00 | Polina Leykina v Anna Zaja | 2-6,3-6 |
| ITF Women Santa Margherita | 2017/04/11 15:00 | Cristiana Ferrando v Polina Leykina | 6-3,6-0 |
| ITF Women Santa Margherita | 2017/04/06 09:00 | Polina Leykina v Daniela Hantuchova | 3-6,3-6 |
| ITF Women Santa Margherita | 2017/04/04 14:20 | Laura Schaeder v Polina Leykina | 3-6,2-6 |
| ITF Women Santa Margherita Qual | 2017/03/27 08:00 | Polina Leykina v Vivien Juhaszova | 4-6,3-6 |
| ITF Women Santa Margherita Qual | 2017/03/26 09:00 | Polina Leykina v Naoko Eto | 6-1,6-2 |
| ITF Women Moscow | 2017/02/23 12:30 | Polina Leykina v An-Sophie Mestach | 5-7,3-6 |