Stadium: Court 4 Round: 26 Ground: Hardcourt outdoor
| ITF Women Zagreb | 2018/09/06 16:50 | Elitsa Kostova v Tena Lukas | 6-1,2-6,3-6 |
| ITF Women Zagreb | 2018/09/05 16:15 | Elitsa Kostova v Agnes Bukta | 6-3,6-4 |
| ITF Women Budapest | 2018/08/28 09:00 | Raluca Georgiana Serban v Elitsa Kostova | 6-2,7-5 |
| US Open Women | 2018/08/21 16:15 | Elitsa Kostova v Fiona Ferro | 1-6,7-5,4-6 |
| ITF Women Prague | 2018/07/27 10:40 | Elitsa Kostova v Richel Hogenkamp | 6-7,7-6,2-6 |
| ITF Women Prague | 2018/07/26 13:10 | Elitsa Kostova v Lucrezia Stefanini | 6-2,6-4 |
| ITF Women Prague | 2018/07/25 09:30 | Elitsa Kostova v Katarina Zavatska | 6-2,4-6,6-4 |
| WTA Gstaad | 2018/07/18 10:30 | Marketa Vondrousova v Elitsa Kostova | 6-4,6-4 |
| ITF Women Taipei | 2018/07/23 03:00 | Charmaine S Y Seah v Man Ying Maggie Ng | 3-6,4-6 |
| ITF Women Taipei | 2018/07/22 05:30 | Charmaine S Y Seah v Yu-Chieh Hsieh | 6-3,7-6 |
| ITF Women Jakarta | 2018/07/17 04:45 | Charmaine S Y Seah v Michika Ozeki | 1-6,7-5,6-7 |
| ITF Women Jakarta | 2018/07/15 05:30 | Charmaine S Y Seah v Yu-Ting Hsieh | 6-3,6-1 |
| ITF Women Jakarta | 2018/07/14 03:00 | Charmaine S Y Seah v Hsin-Yuan Shih | 6-1,6-4 |
| ITF Women Solo | 2018/07/08 03:30 | Charmaine S Y Seah v Anastasia Shaulskaya | 4-6,6-3,3-6 |
| ITF Women Singapore | 2018/06/11 02:00 | Charmaine S Y Seah v Priscilla Heise | 1-6,6-7 |
| ITF Women Singapore | 2018/06/04 02:00 | Charmaine S Y Seah v Victoria Muntean | 2-6,2-6 |