Stadium: Court Jean-Roland Round: 25 Ground: Clay
| ITF W25 Trnava | 2019/02/06 11:45 | Kostova, Elitsa v Poznikhirenko, Ganna | 6-2,6-1 |
| ITF W60 Rome | 2019/06/10 15:35 | Poznikhirenko, Ganna v Dascalu, Nicoleta-Catalina | 6-7,1-6 |
| ITF W60 Brescia | 2019/06/03 15:30 | Federica Di Sarra v Poznikhirenko, Ganna | 6-4,6-2 |
| Namangan, Singles W-ITF-UZB-02A | 2019/05/01 08:20 | Kamilla Rakhimova v Poznikhirenko, Ganna | 6-1,6-1 |
| Andijan, Singles W-ITF-UZB-01A | 2019/04/24 05:00 | Anastasia Zakharova v Poznikhirenko, Ganna | 6-0,6-0 |
| ITF W60 Istanbul | 2019/04/12 08:55 | Diatchenko, Vitalia v Poznikhirenko, Ganna | 6-0,6-0 |
| ITF W60 Istanbul | 2019/04/11 16:30 | Ivana Popovic v Poznikhirenko, Ganna | 4-6,4-6 |
| ITF W25 Kazan | 2019/03/14 10:10 | Poznikhirenko, Ganna v Elena Rybakina | 2-6,3-6 |
| ITF W25 Kazan | 2019/03/13 07:00 | Poznikhirenko, Ganna v Mishina, Daria | 6-7,7-5,6-2 |
| Montpellier, Singles W-ITF-FRA-17A | 2019/06/20 13:00 | Kostova, Elitsa v Halbauer, Elizabeth | 1-6,4-6 |
| Montpellier, Singles W-ITF-FRA-17A | 2019/06/19 14:00 | Kostova, Elitsa v Molinaro, Eleonora | 7-6,6-3 |
| ITF W25 Prerov | 2019/06/16 08:00 | Anhelina Kalinina v Kostova, Elitsa | 6-1,4-6,6-1 |
| ITF W25 Prerov | 2019/06/15 09:50 | Kostova, Elitsa v Carreras, Amanda | 6-2,6-3 |
| ITF W25 Prerov | 2019/06/14 11:35 | Kostova, Elitsa v Kathinka Von Deichmann | 6-7,6-3,6-4 |
| ITF W25 Prerov | 2019/06/13 12:45 | Kostova, Elitsa v Oksana Selekhmeteva | 6-2,7-6 |
| ITF W25 Prerov | 2019/06/12 10:10 | Kostova, Elitsa v Nikola Tomanova | 7-5,7-5 |
| ITF W25 SM de Montbui | 2019/06/02 09:30 | Arina Rodionova v Kostova, Elitsa | 5-7,3-6 |