Round: 25 Ground: Clay
| ITF Women Heraklion | 2017/11/20 08:00 | Kowall, Karolina v 밀렌코비치, 데자나 | 2-6,7-6,4-6 |
| ITF Women Heraklion | 2017/11/12 08:00 | Vukovic, Jovana v Kowall, Karolina | 7-5,6-0 |
| Sozopol, Singles W-C10-BUL-02A | 2017/10/01 07:00 | Kowall, Karolina v Shleptsova, Anastasiya | 2-6,6-1,5-7 |
| ITF Women Varna | 2017/09/16 07:00 | 페루호바, 리우보슬라바 v Kowall, Karolina | 6-4,6-4 |
| ITF Women Middelkerke Qual | 2017/08/26 13:00 | 미르스, 루나 v Kowall, Karolina | 6-1,6-3 |
| ITF Women Denain Qual | 2017/07/02 15:55 | Kowall, Karolina v 아르미타노, 마틸드 | 2-6,2-6 |
| ITF Women Warsaw Qual | 2017/06/18 07:00 | Jegiolka, Justyna v Kowall, Karolina | 6-4,6-2 |
| ITF Women Essen | 2017/06/04 11:00 | Kowall, Karolina v Castille, Cindy | 4-6,4-6 |
| Cairo, Singles W-WITF-EGY-02A | 2017/12/03 10:25 | 사밀, 산드라 v 코랄, 나스티아 | 6-4,6-1 |
| Cairo, Singles W-WITF-EGY-02A | 2017/12/02 08:00 | 클라프넬, 멜라니 v 코랄, 나스티아 | 0-6,1-6 |
| Cairo, Singles W-WITF-EGY-02A | 2017/12/01 07:30 | 바실레스쿠, 아리나 가브리엘라 v 코랄, 나스티아 | 3-6,3-6 |
| Cairo, Singles W-WITF-EGY-02A | 2017/11/30 10:15 | Klymenko, Anastasiya v 코랄, 나스티아 | 1-6,4-6 |
| Cairo, Singles W-WITF-EGY-02A | 2017/11/29 09:50 | 몸쿤토드, 타마챈 v 코랄, 나스티아 | 1-6,1-6 |
| Dakar, Singles W-WITF-SEN-01A | 2017/11/14 09:30 | 코랄, 나스티아 v 다트, 하리에트 | 0-6,3-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2017/11/11 14:00 | 와차지크, 줄리아 v 코랄, 나스티아 | 3-6,7-5,6-3 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2017/11/10 14:00 | 카바이 아와드, 자쿠엘린 v 코랄, 나스티아 | 2-6,3-6 |