Stadium: Court 1F Round: 25
| ITF Women Waco | 2017/11/07 20:55 | Elitsa Kostova v Nicole Gibbs | 2-6,5-7 |
| ITF Women Tyler | 2017/11/03 16:00 | Elitsa Kostova v Kristie Ahn | 6-4,4-6,2-6 |
| ITF Women Tyler | 2017/11/02 15:00 | Victoria Duval v Elitsa Kostova | 4-6,7-5,5-7 |
| ITF Women Tyler | 2017/10/31 16:30 | Elitsa Kostova v Usue Maitane Arconada | 7-6,6-1 |
| ITF Women Macon | 2017/10/24 16:55 | Elitsa Kostova v Jamie Loeb | 2-6,2-6 |
| ITF Women Obidos | 2017/10/11 11:30 | Berfu Cengiz v Elitsa Kostova | 3-6,6-3,6-2 |
| ITF Women Templeton | 2017/09/29 20:40 | Jamie Loeb v Elitsa Kostova | 6-2,6-4 |
| ITF Women Templeton | 2017/09/28 19:45 | Elitsa Kostova v Alisa Kleybanova | 6-4,3-6,6-2 |