Stadium: Court 4 Round: 26 Ground: Hardcourt outdoor
| Singapour, Simples W-ITF-SGP-04A | 2019/01/16 02:00 | Kostova, Elitsa v Charmaine Shi Yi Seah | 6-2,6-2 |
| Singapour, Simples W-ITF-SGP-04A | 2019/01/22 03:40 | Kostova, Elitsa v Broady, Naomi | 6-2,6-2 |
| Singapour, Simples W-ITF-SGP-04A | 2019/01/17 02:00 | Kostova, Elitsa v Sharipova, Sabina | 3-6,6-2,4-6 |
| Singapour, Simples W-ITF-SGP-04A | 2019/01/16 02:00 | Kostova, Elitsa v Charmaine Shi Yi Seah | 6-2,6-2 |
| Open d'Australie - Femmes | 2019/01/08 03:10 | Kostova, Elitsa v Gibbs, Nicole | 4-6,2-6 |
| ITF Women Las Vegas | 2018/11/07 19:35 | Kostova, Elitsa v Fanny Stollar | 3-6,3-6 |
| ITF Women Toronto | 2018/10/31 14:00 | Kostova, Elitsa v Zimmermann, Kimberley | 2-6,4-6 |
| ITF Women Toronto | 2018/10/30 15:45 | Kostova, Elitsa v Maja Chwalinska | 7-5,4-6,6-3 |
| ITF Women Saguenay | 2018/10/23 14:00 | Kostova, Elitsa v Jada Bui | 4-6,3-6 |
| Singapour, Simples W-ITF-SGP-04A | 2019/01/23 05:15 | Lynelle En Tong Lim v Charmaine Shi Yi Seah | 0-6,5-7 |
| Singapour, Simples W-ITF-SGP-04A | 2019/01/16 02:00 | Kostova, Elitsa v Charmaine Shi Yi Seah | 6-2,6-2 |
| Obidos, Singles W-WITF-POR-12A | 2018/09/30 11:00 | Dalila Spiteri v Charmaine Shi Yi Seah | 6-0,6-3 |
| ITF Women Taipei | 2018/07/23 03:00 | Charmaine Shi Yi Seah v Man Ying Maggie Ng | 3-6,4-6 |
| ITF Women Taipei | 2018/07/22 05:30 | Charmaine Shi Yi Seah v Hsieh, Yu-Chieh | 6-3,7-6 |
| ITF Women Jakarta | 2018/07/17 04:45 | Charmaine Shi Yi Seah v Michika Ozeki | 1-6,7-5,6-7 |
| ITF Women Jakarta | 2018/07/15 05:30 | Charmaine Shi Yi Seah v Hsieh, Yu-Ting | 6-3,6-1 |
| ITF Women Jakarta | 2018/07/14 03:00 | Charmaine Shi Yi Seah v Shih, Hsin-Yuan | 6-1,6-4 |