Stadium: Court 2 Round: 54 Ground: Clay
| ITF W25 Guayaquil | 2019/08/12 19:50 | Gencon Sucre, Lizbeth v Payne, Jacqueline | 1-6,2-6 |
| ITF W25 Guayaquil | 2019/08/13 15:00 | Skachkova, Katsiaryna v Closs, Mary | 7-6,6-1 |
| Ashland, Simples W-ITF-USA-23A | 2019/07/22 13:00 | Closs, Mary v Glatch, Alexa | 1-6,1-6 |
| ITF W15 Cancun | 2019/07/17 15:25 | Anna Rogers v Closs, Mary | 6-3,7-6 |
| ITF W15 Cancun | 2019/07/15 17:30 | Lian Tran v Closs, Mary | 3-6,0-6 |
| ITF W15 Cancun | 2019/07/15 14:30 | Gomez Romero, Nicolle Andrea v Closs, Mary | 3-6,0-6 |
| ITF W15 Cancun | 2019/07/08 18:30 | Closs, Mary v Jessica Failla | 0-6,3-6 |
| Denver, Singles Qualifying W-ITF-USA-28A | 2019/06/17 16:00 | Verden Anderson, Camille v Closs, Mary | 6-4,4-6,10-8 |
| ITF W25 Sumter | 2019/06/11 14:00 | Ghitescu, Andreea v Closs, Mary | 6-3,6-2 |