| UTR Pro Tennis Series California Women | 2020/07/14 18:30 | Guillermo, Lorraine M v Giuliana Olmos | 3-6,4-6 |
| US Pro Tennis Series West Coast Women | 2020/06/24 19:35 | Guillermo, Lorraine M v Giuliana Olmos | 4-6,3-6 |
| US Pro Tennis Series West Coast Women | 2020/06/05 19:55 | Giuliana Olmos v Guillermo, Lorraine M | 7-6,6-7,10-5 |
| UTR Pro Tennis Series California Women | 2020/07/29 18:30 | Guillermo, Lorraine M v Sherif, Jwany | 6-4,6-7,6-10 |
| UTR Pro Tennis Series California Women | 2020/07/29 17:15 | Hanna Chang v Guillermo, Lorraine M | 3-6,6-2,10-6 |
| UTR Pro Tennis Series California Women | 2020/07/28 18:30 | Guillermo, Lorraine M v Chavatipon, Charlotte | 3-6,4-6 |
| UTR Pro Tennis Series California Women | 2020/07/28 16:00 | Guillermo, Lorraine M v Hance, Kimmi | 7-5,3-6,10-6 |
| UTR Pro Tennis Series California Women | 2020/07/25 18:30 | Guillermo, Lorraine M v Closs, Mary | 6-2,6-4 |
| UTR Pro Tennis Series California Women | 2020/07/25 16:00 | Guillermo, Lorraine M v Montez, Pamela | 4-6,3-6 |
| UTR Pro Tennis Series California Women | 2020/07/23 18:30 | Marcela Zacarias v Guillermo, Lorraine M | 1-6,6-3,9-11 |
| UTR Pro Tennis Series California Women | 2020/07/23 17:15 | Guillermo, Lorraine M v Chavatipon, Charlotte | 1-6,0-6 |
| UTR Pro Tennis Series California Women | 2020/07/30 16:00 | Giuliana Olmos v Kayla Day | 7-6,7-6 |
| UTR Pro Tennis Series California Women | 2020/07/28 19:45 | Hance, Kimmi v Giuliana Olmos | 2-6,6-2,2-10 |
| UTR Pro Tennis Series California Women | 2020/07/28 17:15 | Chavatipon, Charlotte v Giuliana Olmos | 7-5,7-5 |
| UTR Pro Tennis Series California Women | 2020/07/26 21:35 | Giuliana Olmos v Morgina, Anna | 6-3,6-1 |
| UTR Pro Tennis Series California Women | 2020/07/26 16:00 | Montez, Pamela v Giuliana Olmos | 6-4,3-6,3-10 |
| UTR Pro Tennis Series California Women | 2020/07/24 19:45 | Giuliana Olmos v Morgina, Anna | 6-1,6-3 |
| UTR Pro Tennis Series California Women | 2020/07/24 17:15 | Giuliana Olmos v Closs, Mary | 6-0,6-3 |
| UTR Pro Tennis Series California Women | 2020/07/23 19:45 | Giuliana Olmos v Chavatipon, Charlotte | 6-3,6-2 |