Stadium: Pista 1 Round: 25 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 Les Franqueses | 2019/04/29 13:00 | Andrea Lazaro Garcia v Ivana Popovic | 4-6,4-6 |
| ITF W60 Les Franqueses | 2019/04/29 07:30 | Ivana Popovic v Elixane Lechemia | 6-4,6-7,10-7 |
| ITF W60 Istanbul | 2019/04/11 16:30 | Ivana Popovic v Ganna Poznikhirenko | 4-6,4-6 |
| ITF W60 Istanbul | 2019/04/09 08:00 | Draginja Vukovic v Ivana Popovic | 4-6,6-7 |
| ITF W60 Istanbul | 2019/04/08 08:55 | Ilay Yoruk v Ivana Popovic | 3-6,3-6 |
| ITF W25 Canberra | 2019/03/26 03:40 | Ivana Popovic v Olivia Rogowska | 3-6,4-6 |
| ITF W25 Canberra | 2019/03/17 23:00 | Leylah Annie Fernandez v Ivana Popovic | 6-1,6-2 |
| ITF W25 Mildura | 2019/03/07 00:00 | Ivana Popovic v Kaylah McPhee | 1-6,3-6 |