Stadium: Court 1 Round: 25
| ITF Women Berkeley Qual | 2018/07/16 21:35 | Mossmer, Nicole v Guillermo, Lorraine M | 7-5,3-6,1-6 |
| ITF Women Berkeley Qual | 2018/07/15 23:40 | Boren, Brynn v Mossmer, Nicole | 3-6,2-6 |
| ITF Women Honolulu Qual | 2018/07/08 22:05 | Mossmer, Nicole v Ena Shibahara | 3-6,4-6 |
| ITF Women Victoria | 2018/06/17 16:30 | Mossmer, Nicole v Rizzolo, Kayla | 4-6,3-6 |
| ITF Women Sumter | 2018/06/13 15:55 | Mossmer, Nicole v Chieh-Yu Hsu | 3-6,0-6 |
| Sumter, Singles Qualifying W-WITF-USA-18A | 2018/06/12 13:00 | Mossmer, Nicole v Hourigan, Paige Mary | 6-4,6-3 |
| Sumter, Singles Qualifying W-WITF-USA-18A | 2018/06/11 13:00 | Mossmer, Nicole v Guerin, Kimberly | 6-2,6-4 |
| Sumter, Singles Qualifying W-WITF-USA-18A | 2018/06/10 13:00 | Amy Zhu v Mossmer, Nicole | 5-7,3-6 |
| ITF Women Victoria | 2018/06/17 16:30 | Madurawe, Niluka v Bennetto, Leena | 1-6,3-6 |
| ITF Women Rancho Santa Fe Qual | 2018/02/18 17:30 | Wozniak, Aleksandra v Madurawe, Niluka | 6-1,6-4 |
| Surprise, Singles Qualifying W-WITF-USA-05A | 2018/02/11 17:00 | Monica Robinson v Madurawe, Niluka | 7-5,6-2 |