Stadium: Court 15 Round: 44 Ground: Grass
| ITF Women Warsaw | 2017/06/24 10:20 | Kostova, Elitsa v Karatantcheva, Sesil | 7-5,2-6,4-6 |
| ITF Women Warsaw | 2017/06/22 14:00 | Kostova, Elitsa v Maja Chwalinska | 6-4,6-1 |
| ITF Women Warsaw | 2017/06/21 12:50 | Kostova, Elitsa v Sumova, Diana | 6-2,6-2 |
| Hodmezovasarhely, Simples W-WITF-HUN-06A | 2017/06/15 11:20 | Kostova, Elitsa v Alexandra Ignatik | 2-6,2-6 |
| Hodmezovasarhely, Simples W-WITF-HUN-06A | 2017/06/15 10:30 | Kostova, Elitsa v Cadantu, Alexandra | 2-6,2-5 |
| Hodmezovasarhely, Simples W-WITF-HUN-06A | 2017/06/13 12:05 | Kostova, Elitsa v Bukta, Agnes | 6-0,6-1 |
| WTA Bol | 2017/06/07 09:00 | Larsson, Johanna v Kostova, Elitsa | 6-2,6-3 |
| French Open Women Qual | 2017/05/25 08:00 | Kostova, Elitsa v Su Jeong Jang | 6-2,4-6,5-7 |
| WTA Eastbourne Qual | 2017/06/23 10:00 | Sorana Cirstea v Fangzhou Liu | 6-1,6-2 |
| ITF Women Wuhan | 2017/06/04 02:00 | Jovic, J. v Fangzhou Liu | 6-0,3-6,6-2 |
| ITF Women Wuhan | 2017/06/03 02:00 | Sofia Shapatava v Fangzhou Liu | 6-7,2-6 |
| ITF Women Wuhan | 2017/06/02 03:35 | Fang Ying Xun v Fangzhou Liu | 1-6,4-6 |
| ITF Women Wuhan | 2017/05/31 02:00 | Tanaka, Yuuki v Fangzhou Liu | 2-6,1-6 |
| ITF Women Wuhan | 2017/05/29 06:10 | Sun, Xu Liu v Fangzhou Liu | 7-6,3-6,4-6 |
| ITF Women Luan | 2017/05/26 02:30 | Ankita Raina v Fangzhou Liu | 4-6,6-3,6-2 |
| ITF Women Luan | 2017/05/25 04:20 | Erika Sema v Fangzhou Liu | 2-6,4-6 |