| UTR Pro Tennis Series California Women | 2020/07/08 17:15 | Lorraine M. Guillermo v Charlotte Chavatipon | 6-3,6-3 |
| UTR Pro Tennis Series California Women | 2020/07/06 18:30 | Lorraine M. Guillermo v Charlotte Chavatipon | 6-7,6-2,10-2 |
| ITF W25 Las Vegas | 2020/03/02 18:00 | Charlotte Chavatipon v Lorraine M. Guillermo | 0-6,6-3,10-4 |
| ITF W15 Norman | 2019/10/03 15:00 | Lorraine M. Guillermo v Charlotte Chavatipon | 6-3,6-7,6-4 |
| UTR Pro Tennis Series California Women | 2020/07/20 18:30 | Lorraine M. Guillermo v Hanna Chang | 1-6,2-6 |
| UTR Pro Tennis Series California Women | 2020/07/20 16:00 | Elvina Kalieva v Lorraine M. Guillermo | 2-6,6-1,10-5 |
| UTR Pro Tennis Series California Women | 2020/07/18 18:30 | Lorraine M. Guillermo v Shatoo Mohamad | 7-6,2-6,8-10 |
| UTR Pro Tennis Series California Women | 2020/07/18 17:15 | Lorraine M. Guillermo v Elvina Kalieva | 4-6,2-6 |
| UTR Pro Tennis Series California Women | 2020/07/14 18:30 | Lorraine M. Guillermo v Giuliana Olmos | 3-6,4-6 |
| UTR Pro Tennis Series California Women | 2020/07/14 17:15 | Lorraine M. Guillermo v Jwany Sherif | 6-2,6-0 |
| UTR Pro Tennis Series California Women | 2020/07/13 19:45 | Lorraine M. Guillermo v Hanna Chang | 2-6,1-6 |
| UTR Pro Tennis Series California Women | 2020/07/13 17:15 | Lorraine M. Guillermo v Mary Closs | 6-0,6-2 |
| UTR Pro Tennis Series California Women | 2020/07/20 19:45 | Elvina Kalieva v Charlotte Chavatipon | 3-6,6-1,10-4 |
| UTR Pro Tennis Series California Women | 2020/07/20 17:15 | Hanna Chang v Charlotte Chavatipon | 6-4,6-2 |
| UTR Pro Tennis Series California Women | 2020/07/11 19:45 | Sophie Chang v Charlotte Chavatipon | 7-6,6-3 |
| UTR Pro Tennis Series California Women | 2020/07/09 19:45 | Giuliana Olmos v Charlotte Chavatipon | 6-2,3-6,8-10 |
| UTR Pro Tennis Series California Women | 2020/07/09 17:15 | Charlotte Chavatipon v Pamela Montez | 4-6,4-6 |
| UTR Pro Tennis Series California Women | 2020/07/08 18:30 | Sophia Whittle v Charlotte Chavatipon | 6-3,6-3 |
| UTR Pro Tennis Series California Women | 2020/07/08 17:15 | Lorraine M. Guillermo v Charlotte Chavatipon | 6-3,6-3 |
| UTR Pro Tennis Series California Women | 2020/07/07 19:45 | Giuliana Olmos v Charlotte Chavatipon | 6-2,6-0 |