Stadium: Court Central Round: 27
| ITF Women Montreux | 2017/08/17 09:20 | Kostova, Elitsa v Heise, Priscilla | 3-6,7-6,6-0 |
| 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 | Vitalia Diatchenko 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 |
| ITF Women Montreux | 2017/08/17 08:00 | Deborah Chiesa v Ulrikke Eikeri | 6-0,6-0 |
| ITF Women Montreux | 2017/08/16 08:00 | Deborah Chiesa v Grimm, Chiara | 7-6,6-4 |
| ITF Women Hechingen | 2017/08/13 13:00 | Deborah Chiesa v Tamara Korpatsch | 6-2,6-7,2-6 |
| ITF Women Hechingen | 2017/08/12 14:50 | Skamlova, Chantal v Deborah Chiesa | 2-6,3-6 |
| ITF Women Hechingen | 2017/08/11 15:30 | Anna Gabric v Deborah Chiesa | 1-6,2-6 |
| ITF Women Hechingen | 2017/08/11 09:25 | Deborah Chiesa v Dalila Jakupovic | 6-2,6-2 |
| ITF Women Hechingen Qual | 2017/08/08 09:00 | Samsonova, Liudmila v Deborah Chiesa | 4-6,1-6 |
| ITF Women Hechingen Qual | 2017/08/07 13:00 | Chantraine, Catherine v Deborah Chiesa | 0-6,1-6 |