| US Open 2016 Women | 2016/08/23 22:30 | Shuko Aoyama v Beatriz Haddad Maia | 6-3,6-2 |
| US Open 2016 Women | 2016/08/23 22:20 | Shilin Xu v Elitsa Kostova | 0-6,5-7 |
| Wimbledon Women Qual | 2016/06/21 16:25 | Elise Mertens v Elitsa Kostova | 6-4,6-4 |
| Billie Jean King Cup | 2016/02/05 07:30 | Ysaline Bonaventure v Elitsa Kostova | 6-3,3-6,6-3 |
| Billie Jean King Cup | 2016/02/03 07:30 | Dalma Galfi v Elitsa Kostova | 5-7,2-6 |
| Wimbledon Women Qual | 2015/06/24 12:55 | Margarita Betova v Elitsa Kostova | 6-2,6-3 |
| Wimbledon Women Qual | 2015/06/23 11:20 | Elitsa Kostova v Patricia Maria Tig | 4-6,6-4,7-5 |
| ATP Marrakech Qual | 2015/04/26 13:50 | Laura Siegemund v Elitsa Kostova | 6-4,7-5 |
| WTA Luxembourg Qual | 2014/10/11 13:20 | Maryna Zanevska v Elitsa Kostova | 6-2,6-3 |