Stadium: Stadium Round: 54 Ground: Hardcourt outdoor
| ITF Women Templeton Qual | 2017/09/24 17:00 | Hanna Chang v Nika Kukharchuk | 6-2,6-3 |
| ITF Women Nashville | 2016/11/23 17:30 | Nika Kukharchuk v Hanna Chang | 1-6,5-7 |
| ITF Women Lubbock | 2018/09/18 22:10 | Nika Kukharchuk v Grace Min | 2-6,3-6 |
| WTA Quebec City | 2018/09/08 19:30 | Nika Kukharchuk v Victoria Duval | 2-6,2-6 |
| ITF Women Landisville Qual | 2018/08/05 16:20 | Nika Kukharchuk v Maria Sanchez | 5-7,3-6 |
| WTA Washington Qual | 2018/07/28 19:00 | Nika Kukharchuk v Allie Kiick | 2-6,0-6 |
| WTA Nanchang Qual | 2018/07/21 09:00 | Karman Kaur Thandi v Nika Kukharchuk | 6-3,6-1 |
| ITF Women Astana | 2018/07/18 05:00 | Olga Doroshina v Nika Kukharchuk | 6-2,6-0 |
| ITF Women Astana | 2018/07/16 04:00 | Anna Morgina v Nika Kukharchuk | 7-5,3-6,2-6 |
| ITF Women Tianjin | 2018/07/09 04:35 | Nika Kukharchuk v Jing-Jing Lu | 6-4,3-6,0-6 |
| WTA Seoul | 2018/09/15 05:40 | Mona Barthel v Hanna Chang | 6-1,6-3 |
| ITF Women Yeongwol | 2018/09/07 01:00 | Hanna Chang v Sunam Jeong | 2-6,3-6 |
| ITF Women Yeongwol | 2018/09/06 03:10 | Hanna Chang v Hwiwon Wi | 6-2,6-1 |
| ITF Women Yeongwol | 2018/09/05 01:00 | Hanna Chang v Erina Hayashi | 6-1,6-4 |
| ITF Women Yeongwol | 2018/08/31 02:30 | Hanna Chang v Sohyun Park | 6-4,2-6,2-6 |
| ITF Women Yeongwol | 2018/08/29 02:55 | Hanna Chang v Hyeran Yun | 6-3,6-2 |
| ITF Women Gimcheon | 2018/08/26 01:00 | Hanna Chang v Da Hye Kim | 1-6,4-6 |
| ITF Women Gimcheon | 2018/08/25 01:00 | Hanna Chang v Ramya Natarajan | 6-2,6-3 |