Round: 26 Ground: Clay
| Santa Margherita Di Pula, Simples W-WITF-ITA-27A | 2018/03/14 14:35 | Kostova, Elitsa v Shapatava, Sofia | 7-5,7-5 |
| Acapulco, Mexico, Qualifying | 2018/02/25 03:20 | Rebecca Peterson v Kostova, Elitsa | 7-5,6-1 |
| ITF Women Rancho Santa Fe | 2018/02/23 20:10 | Kostova, Elitsa v Nara, Kurumi | 6-7,0-6 |
| ITF Women Rancho Santa Fe | 2018/02/22 23:40 | Lao, Danielle v Kostova, Elitsa | 6-4,1-6,3-6 |
| ITF Women Rancho Santa Fe | 2018/02/21 20:30 | Kostova, Elitsa v Ashley Lahey | 4-6,6-3,6-1 |
| ITF Women Surprise | 2018/02/15 20:45 | Boserup, Julia v Kostova, Elitsa | 7-5,3-6,6-1 |
| Newport Beach, USA | 2018/01/23 18:00 | Rebecca Peterson v Kostova, Elitsa | 4-6,6-3,7-5 |
| WTA Newport Beach Qual | 2018/01/21 18:00 | Caroline Dolehide v Kostova, Elitsa | 4-6,4-6 |
| Santa Margherita Di Pula, Simples W-WITF-ITA-27A | 2018/03/13 16:50 | Dalila Spiteri v Alize Lim | 2-6,2-6 |
| ITF Women Burnie | 2018/01/31 02:05 | Viktorija Golubic v Alize Lim | 7-5,6-0 |
| ITF Women Burnie | 2018/01/30 03:25 | Erika Sema v Alize Lim | 6-7,5-7 |
| Sydney, Australie, Qualifications | 2018/01/05 04:25 | Alize Lim v Monica Puig | 2-6,2-6 |
| Brisbane, Australia, Qualifying | 2017/12/29 00:00 | Alize Lim v Jaimee Fourlis | 6-1,3-6,2-6 |
| WTA - Mumbaï | 2017/11/24 11:00 | Dalila Jakupovic v Alize Lim | 6-3,6-1 |
| WTA - Mumbaï | 2017/11/20 12:25 | Hibi, Mayo v Alize Lim | 1-6,1-6 |
| WTA Mumbai Qual | 2017/11/19 04:30 | Glushko, Julia v Alize Lim | 0-6,3-6 |