Stadium: North 2 Round: 27 Ground: Hardcourt indoor
| ITF W15 Norman | 2019/10/03 15:00 | Guillermo, Lorraine M v Chavatipon, Charlotte | 6-3,6-7,6-4 |
| ITF W15 Norman | 2019/10/01 15:00 | Guillermo, Lorraine M v Lisa-Marie Rioux | 6-4,7-5 |
| ITF W60 Templeton | 2019/09/24 17:20 | Montez, Pamela v Guillermo, Lorraine M | 6-4,6-2 |
| ITF W60 Templeton | 2019/09/23 21:15 | Lee, Sarah v Guillermo, Lorraine M | 3-6,3-6 |
| ITF W25 Redding | 2019/09/10 21:25 | Guillermo, Lorraine M v Talaba, Gabriela | 3-6,6-4,4-6 |
| ITF W25 Fort Worth | 2019/08/03 17:15 | Guillermo, Lorraine M v van Nguyen, Chanelle | 6-4,5-7,3-6 |
| ITF W25 Fort Worth | 2019/08/02 14:00 | Guillermo, Lorraine M v Whittle, Sophia | 6-0,7-6 |
| ITF W25 Fort Worth | 2019/08/01 14:00 | Guillermo, Lorraine M v Amy Zhu | 6-4,6-3 |
| ITF W15 Norman | 2019/10/03 18:05 | Fernanda Labrana v Dalayna Hewitt | 4-6,1-6 |
| ITF W15 Norman | 2019/10/01 15:00 | Dalayna Hewitt v Kukharchuk, Nika | 6-1,6-1 |
| ITF W15 Lubbock | 2019/09/22 18:00 | Dalayna Hewitt v Livianu, Jessica | 4-6,6-1,3-6 |
| ITF W15 Lubbock | 2019/09/21 21:20 | Lauren Proctor v Dalayna Hewitt | 6-1,6-7,6-7 |
| ITF W15 Lubbock | 2019/09/20 15:00 | Dalayna Hewitt v Broadus, Savannah | 4-6,6-2,6-3 |
| ITF W15 Lubbock | 2019/09/19 17:00 | Villarreal, Andrea Renee v Dalayna Hewitt | 2-6,3-6 |
| ITF W15 Lubbock | 2019/09/18 19:00 | Dalayna Hewitt v Epps, Gracie | 3-6,6-2,6-2 |
| Lawrence, Singles W-ITF-USA-34A | 2019/09/12 16:00 | Dalayna Hewitt v Babic, Vladica | 4-6,5-7 |