| ITF Women Evansville | 2017/07/25 14:00 | Guillermo, Lorraine M v Csilla Fodor | 6-3,4-6,6-1 |
| ITF Women Evansville | 2017/07/24 14:00 | Guillermo, Lorraine M v Blakely, Audrey Ann | 6-4,6-2 |
| ITF Women Stockton Qual | 2017/07/16 20:05 | Guillermo, Lorraine M v Gordon, Michaela | 2-6,4-6 |
| ITF Women Winnipeg Qual | 2017/07/08 17:00 | Guillermo, Lorraine M v Kuhlman, Josie | 7-6,4-6,1-6 |
| ITF Women Victoria | 2017/06/21 19:20 | Guillermo, Lorraine M v Tori Kinard | 4-6,2-6 |
| ITF Women Victoria | 2017/06/19 20:55 | Luk, Stephanie v Guillermo, Lorraine M | 1-6,1-6 |
| ITF Women Victoria Qual | 2017/06/18 21:05 | Zhang, Anna v Guillermo, Lorraine M | 3-6,0-6 |
| ITF Women Victoria Qual | 2017/06/17 19:00 | Yasmine Mansouri v Guillermo, Lorraine M | 1-6,2-6 |