Stadium: Court 7 Round: 27 Ground: Clay
| ITF Women Santa Margherita | 2018/03/23 12:00 | Basak Eraydin v Elitsa Kostova | 4-6,1-6 |
| ITF Women Santa Margherita | 2018/03/21 13:05 | Ipek Soylu v Elitsa Kostova | 4-6,0-6 |
| ITF Women Santa Margherita | 2018/03/18 14:00 | Basak Eraydin v Elitsa Kostova | 6-4,6-1 |
| ITF Women Santa Margherita | 2018/03/17 13:00 | Federica Di Sarra v Elitsa Kostova | 5-7,3-6 |
| ITF Women Santa Margherita | 2018/03/16 14:50 | Elitsa Kostova v Anastasia Grymalska | 3-6,7-6,7-5 |
| ITF Women Santa Margherita | 2018/03/14 14:35 | Elitsa Kostova v Sofia Shapatava | 7-5,7-5 |
| WTA Acapulco Qual | 2018/02/25 03:20 | Rebecca Peterson v Elitsa Kostova | 7-5,6-1 |
| ITF Women Rancho Santa Fe | 2018/02/23 20:10 | Elitsa Kostova v Kurumi Nara | 6-7,0-6 |
| ITF Women Santa Margherita | 2018/03/24 09:00 | Olga Danilovic v Katarina Zavatska | 2-6,6-2,6-4 |
| ITF Women Santa Margherita | 2018/03/21 15:35 | Olga Danilovic v Isabelle Wallace | 6-3,6-2 |
| 2018 Fed Cup | 2018/02/10 08:00 | Olga Danilovic v Anastasija Sevastova | 6-2,6-4 |
| Billie Jean King Cup | 2018/02/09 08:00 | Olga Danilovic v Sofia Shapatava | 6-3,6-0 |
| 2018 Fed Cup | 2018/02/07 08:00 | Olga Danilovic v Isabella Shinikova | 6-3,6-7,7-6 |
| ITF Women Wesley Chapel | 2018/01/27 15:00 | Francesca Di Lorenzo v Olga Danilovic | 6-3,6-1 |
| ITF Women Wesley Chapel Qual | 2018/01/26 16:00 | Olga Danilovic v Olga Ianchuk | 6-3,1-6,6-3 |
| ITF Women Wesley Chapel | 2018/01/25 17:00 | Tamaryn Hendler v Olga Danilovic | 6-4,1-6,2-6 |