Stadium: Court 6 Round: 26 Ground: Clay
| 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 |
| ITF W25 SM de Montbui | 2019/06/01 11:00 | Nadia Podoroska v Kostova, Elitsa | 3-6,3-6 |
| ITF W25 SM de Montbui | 2019/05/31 13:45 | Kostova, Elitsa v Xiyu Wang | 7-6,6-1 |
| ITF W25 SM de Montbui | 2019/05/30 10:15 | Kostova, Elitsa v Lucia Cortez Llorca | 6-0,6-1 |
| ITF W25 SM de Montbui | 2019/05/29 11:20 | Kostova, Elitsa v Andrea Gamiz | 6-0,6-1 |
| Nuremberg, Germany | 2019/05/18 14:05 | Katharina Hobgarski v Kostova, Elitsa | 2-6,6-2,6-2 |
| Les Franqueses Del Valles, Simples W-ITF-ESP-04A | 2019/05/04 08:00 | Kostova, Elitsa v Burrage, Jodie Anna | 3-6,2-6 |
| ITF W25 Prerov | 2019/06/12 09:55 | Oksana Selekhmeteva v Malene Helgo | 6-3,6-2 |
| ITF W25 Prerov | 2019/06/11 09:20 | Oksana Selekhmeteva v Jaruskova, Timea | 6-4,6-1 |
| Khimki, Singles W-ITF-RUS-04A | 2019/05/03 08:50 | Ekaterina Makarova v Oksana Selekhmeteva | 4-6,6-3,7-6 |
| Khimki, Singles W-ITF-RUS-04A | 2019/05/02 09:50 | Dema, Viktoriia v Oksana Selekhmeteva | 6-3,4-6,4-6 |
| WTA St. Petersburg | 2019/01/26 13:35 | Oksana Selekhmeteva v Magdalena Frech | 6-4,4-6,5-7 |
| ITF W25 Kazan | 2019/01/21 07:00 | Talbi, Shalimar v Oksana Selekhmeteva | 6-2,6-2 |
| ITF Women Sant Cugat | 2018/10/30 12:00 | Andrea Gamiz v Oksana Selekhmeteva | 6-2,3-6,6-4 |
| ITF Women Sant Cugat | 2018/10/29 14:00 | Oksana Selekhmeteva v Lucia Cortez Llorca | 6-3,6-3 |