Stadium: Court 3 Round: 26
| ITF Women Montreux | 2017/08/15 08:00 | Kostova, Elitsa v Fiona Ganz | 6-3,4-6,6-4 |
| Chiswick, Simples W-WITF-GBR-13A | 2017/08/10 09:30 | Diatchenko, Vitalia v Kostova, Elitsa | 6-3,6-2 |
| Chiswick, Simples W-WITF-GBR-13A | 2017/08/08 09:30 | Harriet Dart v Kostova, Elitsa | 6-7,6-3,1-6 |
| Prague, Singles W-WITF-CZE-06A | 2017/07/26 10:40 | Krejsova, Petra v Kostova, Elitsa | 4-6,7-6,6-0 |
| WTA Gstaad | 2017/07/18 10:05 | Caroline Garcia v Kostova, Elitsa | 7-5,6-1 |
| ITF Women Contrexeville | 2017/07/11 09:40 | Irina Maria Bara v Kostova, Elitsa | 6-4,6-0 |
| Wimbledon Women Qual | 2017/06/29 10:00 | Falconi, Irina v Kostova, Elitsa | 6-3,6-3 |
| Wimbledon Women Qual | 2017/06/27 10:00 | Kostova, Elitsa v Fangzhou Liu | 6-4,6-1 |
| ITF Women Montreux | 2017/08/15 10:00 | Heise, Priscilla v Milenkovic, Kristina | 6-1,6-2 |
| ITF Women Hechingen Qual | 2017/08/06 09:00 | Lucia Bronzetti v Heise, Priscilla | 6-2,6-4 |
| ITF Women Horb | 2017/07/26 13:10 | Lesley Pattinama Kerkhove v Heise, Priscilla | 6-3,6-3 |
| ITF Women Horb Qual | 2017/07/24 22:00 | Heise, Priscilla v Meers, Luna | 6-2,6-1 |
| ITF Women Horb Qual | 2017/07/23 22:00 | Heise, Priscilla v Klein, Vivien | 6-0,2-6,6-1 |
| ITF Women Brussels | 2017/07/20 09:00 | Heise, Priscilla v Stefani, Luisa | 6-3,2-6,2-6 |
| ITF Women Brussels | 2017/07/18 09:00 | Heise, Priscilla v Eliessa Vanlangendonck | 6-2,6-4 |
| ITF Women Contrexeville Qual | 2017/07/10 15:45 | Heise, Priscilla v Lechemia, Elixane | 1-6,4-6 |