Stadium: Court 4 Round: 26 Ground: Hardcourt indoor
| ITF Women Toronto | 2018/10/30 15:45 | Elitsa Kostova v Maja Chwalinska | 7-5,4-6,6-3 |
| ITF Women Saguenay | 2018/10/23 14:00 | Elitsa Kostova v Jada Bui | 4-6,3-6 |
| WTA Luxembourg | 2018/10/14 11:50 | Elitsa Kostova v Arantxa Rus | 2-6,3-6 |
| WTA Luxembourg | 2018/10/13 19:35 | Indy De Vroome v Elitsa Kostova | 3-6,2-6 |
| ITF Women Santa Margherita | 2018/10/02 13:50 | Reka-Luca Jani v Elitsa Kostova | 7-5,4-6,6-1 |
| ITF Women Santa Margherita | 2018/09/28 12:00 | Elitsa Kostova v Ludmilla Samsonova | 3-6,4-6 |
| ITF Women Santa Margherita | 2018/09/27 12:00 | Elitsa Kostova v Irene Burillo Escorihuela | 6-0,5-7,6-2 |
| ITF Women Santa Margherita | 2018/09/25 17:15 | Elitsa Kostova v Jule Niemeier | 7-5,6-1 |
| ITF Women Toronto | 2018/10/29 16:20 | Emina Bektas v Kimberley Zimmermann | 4-6,7-5,3-6 |
| ITF Women Saguenay | 2018/10/23 22:30 | Katherine Sebov v Kimberley Zimmermann | 0-6,6-1,6-4 |
| ITF Women Joue-Les-Tours | 2018/10/16 13:05 | Tessah Andrianjafitrimo v Kimberley Zimmermann | 6-3,7-5 |
| ITF Women Cherbourg | 2018/10/10 14:30 | Margot Yerolymos v Kimberley Zimmermann | 5-7,7-6,6-1 |
| ITF Women Cherbourg | 2018/10/09 09:20 | Lea Tholey v Kimberley Zimmermann | 4-6,4-6 |
| ITF Women Saint Malo | 2018/09/16 16:15 | Kimberley Zimmermann v Margot Yerolymos | 6-1,1-6,2-6 |
| ITF Women Saint Malo | 2018/09/15 15:00 | Kimberley Zimmermann v Aloise Dorey | 6-0,6-1 |
| ITF Women Biarritz | 2018/09/14 10:00 | Kimberley Zimmermann v Tamara Korpatsch | 2-6,3-6 |