| ITF Women Fort Worth Qual | 2018/07/29 14:00 | Payton Andrews v Rachel Janssen | 3-6,3-6 |
| ITF Women Evansville | 2018/07/23 14:00 | Madison Westby v Rachel Janssen | 6-2,7-5 |
| ITF Women Orlando Qual | 2018/03/04 15:30 | Rushri Wijesundera v Rachel Janssen | 6-3,6-3 |
| ITF Women Norman Qual | 2017/11/12 17:00 | Jessica Pegula v Rachel Janssen | 6-0,6-0 |
| ITF Women Tyler Qual | 2017/10/29 16:50 | Ellie Douglas v Rachel Janssen | 6-2,6-2 |
| ITF Women Fort Worth Qual | 2017/07/30 17:00 | Rachel Janssen v Alice Garcia | 1-6,0-6 |
| ITF Women Evansville | 2017/07/23 14:00 | Sharmada Iyer v Rachel Janssen | 6-3,6-7,7-6 |
| ITF Women Baton Rouge Qual | 2017/06/19 14:00 | Nicole Frenkel v Rachel Janssen | 6-3,6-0 |
| ITF Women Lagos | 2018/10/09 12:00 | Adesuwa Osabuohien v Nastja Kolar | 0-6,0-6 |
| ITF Women Lagos | 2018/10/01 13:40 | Adesuwa Osabuohien v Rosalie Van Der Hoek | 2-6,5-7 |
| ITF Women Sumter Qual | 2018/06/10 13:00 | McCartney Kessler v Adesuwa Osabuohien | 7-5,6-3 |
| ITF Women Pelham Qual | 2018/04/08 15:00 | Nika Kukharchuk v Adesuwa Osabuohien | 6-0,6-1 |
| ITF Women Jackson Qual | 2018/04/02 16:30 | Ashley Weinhold v Adesuwa Osabuohien | 6-1,6-1 |
| ITF Women Tampa | 2018/03/12 18:30 | Adesuwa Osabuohien v Gabriela Tevez | 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 Alicia Robinson | 6-4,6-3 |