Stadium: Court 7 Round: 27 Ground: Clay
| 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 Macon | 2019/02/26 12:00 | Kostova, Elitsa v Gervais, Julie | 4-6,4-6 |
| ITF W25 Glasgow | 2019/02/21 10:00 | Nuria Parrizas-Diaz v Kostova, Elitsa | 6-2,7-6 |
| ITF W25 Glasgow | 2019/02/20 13:00 | Ene, Cristina v Kostova, Elitsa | 4-6,3-6 |
| ITF W25 Trnava | 2019/02/14 10:00 | Kostova, Elitsa v Tereza Martincova | 3-6,6-7 |
| Campinas, Singles Qualifying W-ITF-BRA-03A | 2019/03/28 13:00 | Jessica Pieri v Mrdeza, Tereza | 6-2,6-4 |
| Campinas, Singles Qualifying W-ITF-BRA-03A | 2019/03/26 14:30 | Halbauer, Elizabeth v Jessica Pieri | 6-7,4-6 |
| Curitiba, Singles Qualifying W-ITF-BRA-02A | 2019/03/18 17:00 | Jessica Pieri v Goncalves, Paula Cristina | 1-6,5-7 |
| Sao Paulo, Singles W-ITF-BRA-01A | 2019/03/13 15:55 | Jessica Pieri v Cepede Royg, Veronica | 3-6,2-6 |
| Grenoble, Singles Qualifying W-ITF-FRA-04A | 2019/02/06 17:30 | Diatchenko, Vitalia v Jessica Pieri | 6-0,6-4 |
| Santa Margherita Di Pula, Simples W-WITF-ITA-27A | 2018/10/18 11:30 | Jessica Pieri v Ma, Shuyue | 3-6,4-6 |
| Santa Margherita Di Pula, Simples W-WITF-ITA-27A | 2018/10/11 10:00 | Jessica Pieri v Jani, Reka-Luca | 2-6,1-6 |
| Santa Margherita Di Pula, Simples W-WITF-ITA-27A | 2018/09/20 13:40 | Federica Bilardo v Jessica Pieri | 6-2,6-3 |