Stadium: Cancha 2 Round: 45 Ground: Clay
| Palm Harbor, Fl, Qualifications Simples W-ITF-USA-08A | 2019/04/05 16:00 | Kovinic, Danka v Kostova, Elitsa | 7-6,3-6,6-2 |
| Palm Harbor, Fl, Qualifications Simples W-ITF-USA-08A | 2019/04/04 15:50 | Honcova, Michaela v Kostova, Elitsa | 2-6,5-7 |
| Palm Harbor, Fl, Qualifications Simples W-ITF-USA-08A | 2019/04/03 17:15 | Carrington, Safiya v Kostova, Elitsa | 0-6,3-6 |
| Campinas, Singles Qualifying W-ITF-BRA-03A | 2019/03/29 13:00 | Kostova, Elitsa v Jessica Pieri | 6-7,2-6 |
| Campinas, Singles Qualifying W-ITF-BRA-03A | 2019/03/28 16:10 | Haas, Barbara v Kostova, Elitsa | 6-1,2-6,0-6 |
| Campinas, Singles Qualifying W-ITF-BRA-03A | 2019/03/27 13:00 | Kostova, Elitsa v Maria F Herazo Gonzalez | 6-2,6-3 |
| Curitiba, Singles Qualifying W-ITF-BRA-02A | 2019/03/21 13:00 | Kostova, Elitsa v Jasmine Paolini | 2-6,6-4,2-6 |
| Curitiba, Singles Qualifying W-ITF-BRA-02A | 2019/03/20 13:30 | Kurata, Nathaly v Kostova, Elitsa | 4-6,1-6 |
| ITF W25 Canberra | 2019/03/27 05:00 | Haruka Kaji v Zoe Hives | 4-6,7-5,6-1 |
| ITF W25 Canberra | 2019/03/19 23:00 | Zoe Hives v Tanaka, Yuuki | 6-3,6-4 |
| ITF W60 Launceston | 2019/01/30 01:15 | Zoe Hives v Nao Hibino | 5-7,6-3,6-7 |
| Burnie, Simples W-ITF-AUS-02A | 2019/01/24 00:00 | Zoe Hives v Garcia Perez, Georgina | 7-5,2-6,6-7 |
| Burnie, Simples W-ITF-AUS-02A | 2019/01/22 23:00 | Zoe Hives v Elena Rybakina | 7-6,6-4 |
| Open d'Australie - Femmes | 2019/01/16 00:00 | Zoe Hives v Caroline Garcia | 3-6,3-6 |
| Open d'Australie - Femmes | 2019/01/14 01:35 | Mattek-Sands, Bethanie v Zoe Hives | 1-6,2-6 |
| WTA - Hobart | 2019/01/09 03:25 | Zoe Hives v Bencic, Belinda | 2-6,4-6 |