Stadium: Court 1 Round: 45 Ground: Hardcourt outdoor
| ITF - W15 Monastir | 2019/01/23 13:10 | Amy Zhu v Closs, Mary | 6-0,6-2 |
| ITF - W15 Monastir | 2019/01/21 11:00 | Almudena S-L Fernandez v Closs, Mary | 1-6,7-6,6-10 |
| ITF Women Heraklion | 2018/11/13 07:30 | Anna Ureke v Closs, Mary | 6-1,7-5 |
| ITF Women Heraklion | 2018/11/06 07:30 | Closs, Mary v Elina Nepliy | 1-6,5-7 |
| ITF Women Heraklion | 2018/10/30 07:30 | Closs, Mary v Sevil Yuldasheva | 4-6,3-6 |
| ITF Women Stockton | 2018/09/30 22:15 | Closs, Mary v Marand, Sanaz | 0-6,2-6 |
| Templeton, Singles W-WITF-USA-32A | 2018/09/24 00:05 | Robin Anderson v Closs, Mary | 6-2,6-2 |
| ITF Women Dublin | 2018/08/01 10:10 | Timotin, Jennifer v Closs, Mary | 6-2,7-6 |
| Stuttgart-Stammheim, Singles W-ITF-GER-01A | 2019/01/23 09:00 | Emily Seibold v Zuger, Joanne | 3-6,1-6 |
| Stuttgart-Stammheim, Singles W-ITF-GER-01A | 2019/01/22 09:00 | Emily Seibold v Andreea Prisacariu | 6-3,6-2 |
| ITF Women Lousada | 2018/10/24 13:05 | Emily Seibold v Scotti, Maria Aurelia | 2-6,6-3,2-6 |
| ITF Women Ashkelon | 2018/10/10 07:00 | Emily Seibold v Lina Glushko | 1-6,3-6 |
| ITF Women Ashkelon | 2018/10/09 08:00 | Emily Seibold v Prenkovic, Linda | 6-3,6-2 |
| ITF Women Herzlia | 2018/10/03 06:30 | Tolibova, Sadafmoh v Emily Seibold | 7-5,1-6,6-1 |
| ITF Women Herzlia | 2018/09/30 06:30 | Lieberman, Shachf v Emily Seibold | 1-6,0-6 |
| ITF Women Ceuta | 2018/09/11 12:45 | Luque Moreno, Maria Jose v Emily Seibold | 6-2,7-6 |