Stadium: Court 8 Round: 25 Ground: Hardcourt outdoor
| Las Vegas, Singles W-ITF-USA-08A | 2020/03/02 18:00 | Whittle, Sophia v Closs, Mary | 6-0,6-2 |
| ITF W15 Cancun | 2020/02/13 19:35 | Closs, Mary v Maria Lourdes Carle | 5-7,3-6 |
| ITF W15 Cancun | 2020/02/12 18:55 | Closs, Mary v Gabriella Price | 6-3,6-2 |
| ITF W15 Cancun | 2020/02/10 15:00 | Lian Tran v Closs, Mary | 3-6,6-1,8-10 |
| ITF W15 Cancun | 2020/02/09 19:00 | Arangio, Gala v Closs, Mary | 1-6,0-6 |
| ITF W15 Cancun | 2020/02/04 19:25 | Clousing, Keisha R v Closs, Mary | 6-3,4-6,6-2 |
| ITF W15 Cancun | 2020/01/20 15:30 | Closs, Mary v Appel, Madison | 3-6,7-6,7-10 |
| ITF W15 Cancun | 2020/01/19 18:00 | Closs, Mary v Mpukusa, Kimberly | 6-1,6-1 |
| ITF - W15 Monastir | 2020/03/03 11:05 | Jenny Duerst v Justina Mikulskyte | 6-3,6-2 |
| ITF - W15 Monastir | 2020/02/25 10:00 | Noa Liauw A Fong v Justina Mikulskyte | 6-3,5-7,6-4 |
| ITF - W15 Monastir | 2020/02/20 08:30 | Taylor, Gabriella v Justina Mikulskyte | 6-3,6-1 |
| ITF - W15 Monastir | 2020/02/19 08:30 | Justina Mikulskyte v Julie Belgraver | 6-4,6-4 |
| Grenoble, Singles Qualifying W-ITF-FRA-04A | 2020/02/09 16:35 | Marfutina, Maria v Justina Mikulskyte | 6-4,6-3 |
| ITF W25 Trnava | 2020/02/03 08:30 | Justina Mikulskyte v Irina Khromacheva | 4-6,3-6 |
| ITF W15 Cancun | 2020/01/25 14:00 | Kukharchuk, Nika v Justina Mikulskyte | 6-4,1-6,7-5 |
| ITF W15 Cancun | 2020/01/24 14:00 | Justina Mikulskyte v Funa Kozaki | 2-6,6-4,6-3 |