| ITF Damen - Sumter - Qualifikation | 2018/06/10 13:00 | Olga Govortsova v Connie Ma | 6-3,6-3 |
| ITF Damen - Sumter - Qualifikation | 2018/06/10 13:00 | Abigail Forbes v Mary Closs | 6-3,6-3 |
| ITF Damen - Bethany Beach - Qualifikation | 2018/06/04 14:00 | Maegan Manasse v Mary Closs | 6-4,1-6,6-1 |
| ITF Damen - Osprey - Qualifikation | 2018/05/21 14:00 | Ksenia Laskutova v Mary Closs | 6-1,6-1 |
| ITF Damen - Charlottesville - Qualifikation | 2018/04/22 18:05 | Mary Closs v Marine Partaud | 2-6,2-6 |
| ITF Damen - Dothan - Qualifikation | 2018/04/15 20:50 | Katherine Sebov v Mary Closs | 6-2,6-3 |
| ITF Damen - Pelham - Qualifikation | 2018/04/08 15:00 | Mary Closs v Akiko Okuda | 6-4,3-6,3-6 |
| ITF Damen - Tel Aviv | 2018/03/18 12:00 | Mary Closs v Danielle Daley | 2-6,4-6 |
| ITF Damen - Ramat Hasharon | 2018/03/12 07:30 | Tamara Barad Itzhaki v Mary Closs | 7-6,6-2 |