Stadium: Main Site - Court 1 Round: 27 Ground: Hardcourt outdoor
| ITF W25 El Espinar | 2019/08/01 08:30 | Ianchuk, Olga v Moreno Barranquero, Angeles | 6-4,6-3 |
| ITF W25 El Espinar | 2019/07/31 08:35 | Ianchuk, Olga v Shuo Feng | 6-3,6-0 |
| Moscou, Simples W-ITF-RUS-02A | 2019/07/24 11:00 | Ianchuk, Olga v Shcherbinina, Alina | 6-4,2-6,4-6 |
| Minsk, Singles W-ITF-BLR-03A | 2019/06/05 07:00 | Iryna Shymanovich v Ianchuk, Olga | 6-3,6-2 |
| ITF W60 Istanbul | 2019/04/11 12:00 | Ipek Oz v Ianchuk, Olga | 2-6,5-7 |
| ITF W25 Kazan | 2019/03/14 09:30 | Ianchuk, Olga v Hatouka, Yuliya | 6-4,6-3 |
| ITF W25 Kazan | 2019/03/13 10:15 | Ianchuk, Olga v Freya Christie | 7-6,2-6,6-1 |
| Moscou, Simples W-ITF-RUS-02A | 2019/02/26 09:10 | Ianchuk, Olga v Samsonova, Liudmila | 2-6,5-7 |
| ITF W25 El Espinar | 2019/08/01 10:25 | Rosca, Ioana Loredana v Kostova, Elitsa | 3-6,6-4,5-7 |
| Biarritz, Singles W-ITF-FRA-11A | 2019/07/19 13:00 | Cepede Royg, Veronica v Kostova, Elitsa | 6-2,6-7,6-1 |
| Biarritz, Singles W-ITF-FRA-11A | 2019/07/18 10:35 | Sofia Shapatava v Kostova, Elitsa | 4-6,1-6 |
| Biarritz, Singles W-ITF-FRA-11A | 2019/07/16 09:00 | Fanny Stollar v Kostova, Elitsa | 3-6,1-6 |
| ITF W60 Versmold | 2019/07/11 15:00 | Irina Maria Bara v Kostova, Elitsa | 4-6,6-3,6-0 |
| ITF W60 Versmold | 2019/07/10 12:00 | Gerlach, Katharina v Kostova, Elitsa | 3-6,5-7 |
| ITF W25 Denain | 2019/07/06 12:30 | Katharina Hobgarski v Kostova, Elitsa | 6-1,6-3 |
| ITF W25 Denain | 2019/07/05 11:25 | Valeriya Strakhova v Kostova, Elitsa | 3-6,4-6 |