Stadium: C Round: 26
| ITF Women Charlottesville | 2017/04/26 20:00 | Sanchez, Maria v Kostova, Elitsa | 6-7,6-3,3-6 |
| ITF Women Norman | 2017/11/15 19:45 | Sanchez, Maria v Maria Mateas | 6-4,7-5 |
| ITF Women Waco | 2017/11/08 16:00 | Rebecca Peterson v Sanchez, Maria | 6-4,7-6 |
| ITF Women Toronto | 2017/10/31 18:10 | Sanchez, Maria v Schnyder, Patty | 6-4,1-6,0-6 |
| ITF Women Saguenay | 2017/10/26 17:00 | Bibiane Schoofs v Sanchez, Maria | 3-6,6-3,7-6 |
| ITF Women Saguenay | 2017/10/25 14:00 | Sanchez, Maria v Guarachi Mathison, Alexa | 3-6,6-2,6-1 |
| ITF Women Florence | 2017/10/18 17:55 | Sanchez, Maria v Victoria Rodriguez | 3-6,2-6 |
| ITF Women Sumter | 2017/10/12 16:00 | Jessica Pegula v Sanchez, Maria | 6-3,6-3 |
| ITF Women Sumter | 2017/10/11 13:00 | Coopersmith, Nicole v Sanchez, Maria | 3-6,2-6 |
| ITF Women Norman | 2017/11/15 19:40 | Sargeant, Amy v Kostova, Elitsa | 0-6,3-6 |
| ITF Women Waco | 2017/11/07 20:55 | Kostova, Elitsa v Gibbs, Nicole | 2-6,5-7 |
| ITF Women Tyler | 2017/11/03 16:00 | Kostova, Elitsa v Ahn, Kristie | 6-4,4-6,2-6 |
| ITF Women Tyler | 2017/11/02 15:00 | Victoria Duval v Kostova, Elitsa | 4-6,7-5,5-7 |
| ITF Women Tyler | 2017/10/31 16:30 | Kostova, Elitsa v Usue Maitane Arconada | 7-6,6-1 |
| ITF Women Macon | 2017/10/24 16:55 | Kostova, Elitsa v Jamie Loeb | 2-6,2-6 |
| Obidos, Singles W-WITF-POR-12A | 2017/10/11 11:30 | Berfu Cengiz v Kostova, Elitsa | 3-6,6-3,6-2 |
| Templeton, Singles W-WITF-USA-32A | 2017/09/29 20:40 | Jamie Loeb v Kostova, Elitsa | 6-2,6-4 |