Stadium: TC DYNAMO Round: 54 Ground: Hardcourt indoor
| WTA St. Petersburg Qual | 2017/01/29 08:00 | Ekaterina Alexandrova v Elitsa Kostova | 5-7,1-6 |
| WTA St. Petersburg Qual | 2017/01/28 06:30 | Isabella Shinikova v Elitsa Kostova | 5-7,6-2,6-7 |
| Australian Open 2017 Women Qual | 2017/01/11 23:00 | Vera Lapko v Elitsa Kostova | 6-1,5-7,8-6 |
| WTA Hobart Qual | 2017/01/06 04:00 | Teliana Pereira v Elitsa Kostova | 7-5,4-6,6-3 |
| WTA Brisbane Qual | 2016/12/31 00:00 | Kateryna Volodko v Elitsa Kostova | 6-1,7-5 |
| WTA Brisbane Qual | 2016/12/30 00:00 | Viktoriya Tomova v Elitsa Kostova | 1-6,6-3,4-6 |
| ITF Women Ankara | 2016/12/22 09:00 | Alexandra Cadantu v Elitsa Kostova | 6-4,1-6,6-2 |
| ITF Women Ankara | 2016/12/21 09:05 | Sofia Shapatava v Elitsa Kostova | 7-6,4-6,4-6 |
| WTA St. Petersburg Qual | 2017/01/29 08:00 | Stefanie Voegele v Denisa Allertova | 7-5,6-2 |
| WTA St. Petersburg Qual | 2017/01/28 07:15 | Valeriya Strakhova v Stefanie Voegele | 0-6,2-6 |
| Australian Open 2017 Women | 2017/01/18 00:00 | Stefanie Voegele v Venus Williams | 3-6,2-6 |
| Australian Open 2017 Women | 2017/01/16 04:40 | Stefanie Voegele v Kurumi Nara | 2-6,6-2,6-3 |
| Australian Open 2017 Women Qual | 2017/01/14 04:00 | Stefanie Voegele v Lina Gjorcheska | 4-6,6-3,6-2 |
| Australian Open 2017 Women Qual | 2017/01/13 09:50 | Stefanie Voegele v Amra Sadikovic | 6-1,6-7,6-2 |
| Australian Open 2017 Women Qual | 2017/01/12 02:00 | Stefanie Voegele v Anna Kalinskaya | 7-6,3-6,6-3 |
| WTA Shenzhen | 2017/01/02 07:00 | Ons Jabeur v Stefanie Voegele | 6-0,6-2 |