Stadium: Court 1 Round: 62
| Jackson, Singles W-WITF-USA-09A | 2018/04/03 18:30 | Kukharchuk, Nika v Stewart, Katerina | 1-6,1-6 |
| Irapuato, Singles W-WITF-MEX-01A | 2018/03/13 21:10 | Kukharchuk, Nika v Jovic, J. | 5-7,2-6 |
| Irapuato, Singles Qualifying W-WITF-MEX-01A | 2018/03/11 18:20 | Kukharchuk, Nika v Coppola, Claudia | 6-1,7-5 |
| Sao Paulo, Singles Qualifying W-WITF-BRA-02A | 2018/02/26 15:30 | Moore, Tara v Kukharchuk, Nika | 6-4,6-7,7-5 |
| Sao Paulo, Singles Qualifying W-WITF-BRA-02A | 2018/02/25 16:00 | Silva de Carvalho, Juliana v Kukharchuk, Nika | 2-6,3-6 |
| Sao Paulo, Singles Qualifying W-WITF-BRA-02A | 2018/02/24 15:30 | Villarreal, Andrea Renee v Kukharchuk, Nika | 2-6,4-6 |
| ITF Women Curitiba Qual | 2018/02/19 16:05 | Kukharchuk, Nika v Ryngler, Alexa | 1-6,6-7 |
| ITF Women Curitiba Qual | 2018/02/18 16:55 | Kukharchuk, Nika v Madison Bourguignon | 6-2,7-6 |
| ITF Women Jackson Qual | 2018/04/02 16:30 | Weinhold, Ashley v Adesuwa Osabuohien | 6-1,6-1 |
| Tampa, Singles Qualifying W-WITF-USA-08A | 2018/03/12 18:30 | Adesuwa Osabuohien v Tevez, Gabriela | 5-7,6-1,4-6 |
| ITF Women Orlando Qual | 2018/03/06 15:00 | Madison Sieg v Adesuwa Osabuohien | 6-1,6-0 |
| ITF Women Orlando Qual | 2018/03/05 15:00 | Adesuwa Osabuohien v Robinson, Alicia | 6-4,6-3 |
| ITF Women Orlando Qual | 2018/03/04 15:30 | Mccray, Morgan v Adesuwa Osabuohien | 6-7,2-6 |