Stadium: Main Site - Court 1 Round: 28 Ground: Hardcourt outdoor
| WTA Anning | 2019/04/23 05:55 | Shuai Zhang v Elitsa Kostova | 4-6,6-2,6-1 |
| WTA Bogota | 2019/04/08 19:50 | Elitsa Kostova v Varvara Lepchenko | 3-6,1-6 |
| WTA Bogota | 2019/04/07 18:25 | Irina Maria Bara v Elitsa Kostova | 3-6,6-2,6-3 |
| WTA Bogota | 2019/04/06 19:10 | Elitsa Kostova v Zoe Hives | 6-7,7-5,6-0 |
| ITF W80 Palm Harbor | 2019/04/05 16:00 | Danka Kovinic v Elitsa Kostova | 7-6,3-6,6-2 |
| ITF W80 Palm Harbor | 2019/04/04 15:50 | Michaela Honcova v Elitsa Kostova | 2-6,5-7 |
| ITF W80 Palm Harbor | 2019/04/03 17:15 | Safiya Carrington v Elitsa Kostova | 0-6,3-6 |
| ITF W25 Campinas | 2019/03/29 13:00 | Elitsa Kostova v Jessica Pieri | 6-7,2-6 |
| ITF W60 Istanbul | 2019/04/09 09:40 | Julia Terziyska v Ilona Kremen | 1-6,1-6 |
| ITF W60 Istanbul | 2019/04/08 10:30 | Julia Terziyska v Melis Sezer | 7-6,3-6,10-6 |
| ITF W25 Bolton | 2019/04/02 13:10 | Vitalia Diatchenko v Julia Terziyska | 6-3,6-0 |
| ITF W60 Croissy-Beaubourg | 2019/03/25 10:10 | Julia Terziyska v Maegan Manasse | 6-7,7-6,7-10 |
| ITF W25 Glasgow | 2019/02/18 10:00 | Maria Sanchez v Julia Terziyska | 6-4,6-2 |
| ITF W25 Grenoble | 2019/02/04 10:15 | Julia Terziyska v Maria Sanchez | 6-7,4-6 |
| ITF W15 Monastir | 2019/01/16 10:30 | Julia Terziyska v Diana Martynov | 6-4,5-7,4-6 |
| ITF W15 Monastir | 2019/01/10 08:00 | Julia Terziyska v Vinciane Remy | 4-6,3-6 |