Round: 54 Ground: Hardcourt outdoor
| ITF Women Stellenbosch Qual | 2017/11/25 14:30 | Le Roux, Madrie v 시에드리스카, 나탈리아 | 7-5,6-2 |
| ITF Women Stellenbosch Qual | 2017/11/20 09:20 | 시에드리스카, 나탈리아 v 아들러, 로우 | 4-6,3-6 |
| ITF Women Stellenbosch Qual | 2017/11/19 07:00 | 시에드리스카, 나탈리아 v Gustafson, Rebecca | 6-4,6-4 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2017/11/02 07:15 | 시에드리스카, 나탈리아 v 세저, 멜리스 | 2-6,6-2,6-7 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2017/11/01 07:15 | 치칼키나, 아나스타시아 v 시에드리스카, 나탈리아 | 2-6,7-6,6-7 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2017/10/30 10:30 | Vukovic, Daniela v 시에드리스카, 나탈리아 | 6-4,3-6,2-6 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2017/10/30 06:45 | Reis de Campos, Louise v 시에드리스카, 나탈리아 | 0-6,0-6 |
| ITF Women Heraklion | 2017/10/26 07:00 | 에크시바로바, 블라다 v 시에드리스카, 나탈리아 | 6-3,6-3 |
| ITF Women Stellenbosch Qual | 2017/11/26 08:50 | Gouvernante, Donnaroza v Ilowska, Caroline | 6-7,6-3,6-3 |
| Stellenbosch, Singles W-C10-RSA-01A | 2017/11/22 09:25 | Ilowska, Caroline v 유잉, 살마 | 1-6,0-6 |
| ITF Women Stellenbosch Qual | 2017/11/20 08:25 | Ilowska, Caroline v Pienaar, Rochelle | 6-1,6-3 |
| ITF Women Stellenbosch Qual | 2017/11/19 09:50 | Ilowska, Caroline v 쿵, 리사 | 6-3,6-4 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2017/10/17 14:00 | Vaidya, Kanika v Ilowska, Caroline | 6-4,6-2 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2017/10/16 14:00 | Mclean, Dominique v Ilowska, Caroline | 2-6,2-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2017/10/12 16:25 | 부라지, 조디에 안나 v Ilowska, Caroline | 6-1,6-2 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2017/10/11 18:40 | Ilowska, Caroline v 모랄레스, 멜리사 | 6-1,6-7,7-5 |