| UTR Pro Tennis Series - California - Femenino | 2020/07/29 17:15 | Hanna Chang v Lorraine M. Guillermo | 3-6,6-2,10-6 |
| UTR Pro Tennis Series - California - Femenino | 2020/07/20 18:30 | Lorraine M. Guillermo v Hanna Chang | 1-6,2-6 |
| UTR Pro Tennis Series - California - Femenino | 2020/07/13 19:45 | Lorraine M. Guillermo v Hanna Chang | 2-6,1-6 |
| US Pro Tennis Series - West Coast - Femenino | 2020/06/19 17:20 | Hanna Chang v Lorraine M. Guillermo | 6-4,7-5 |
| US Pro Tennis Series - West Coast - Femenino | 2020/06/05 18:05 | Hanna Chang v Lorraine M. Guillermo | 6-0,6-4 |
| ITF W25 Surprise | 2019/02/11 16:00 | Lorraine M. Guillermo v Hanna Chang | 6-3,2-6,4-10 |
| ITF Norman - Femenino | 2018/11/13 20:25 | Hanna Chang v Lorraine M. Guillermo | 4-6,4-6 |
| ITF Mâcon - Femenino - Clasificación | 2017/10/23 21:20 | Hanna Chang v Lorraine M. Guillermo | 1-6,4-6 |
| UTR Pro Tennis Series - California - Femenino | 2020/08/17 16:00 | Sophie Chang v Hanna Chang | 6-7,6-3,10-4 |
| UTR Pro Tennis Series - California - Femenino | 2020/08/06 18:30 | Hanna Chang v Marcela Zacarias | 6-3,1-6,11-9 |
| UTR Pro Tennis Series - California - Femenino | 2020/08/06 17:15 | Hanna Chang v Jessica Failla | 6-2,6-2 |
| UTR Pro Tennis Series - California - Femenino | 2020/08/03 18:30 | Sophie Chang v Hanna Chang | 6-4,6-3 |
| UTR Pro Tennis Series - California - Femenino | 2020/08/03 17:15 | Jwany Sherif v Hanna Chang | 2-6,2-6 |
| UTR Pro Tennis Series - California - Femenino | 2020/07/31 18:30 | Marcela Zacarias v Hanna Chang | 6-2,6-3 |
| UTR Pro Tennis Series - California - Femenino | 2020/07/31 16:15 | Hanna Chang v Mary Closs | 6-0,6-0 |
| UTR Pro Tennis Series - California - Femenino | 2020/07/29 19:45 | Mary Closs v Hanna Chang | 4-6,0-6 |
| UTR Pro Tennis Series - California - Femenino | 2020/08/17 17:15 | Lorraine M. Guillermo v Anna Morgina | 6-3,2-6,5-10 |
| UTR Pro Tennis Series - California - Femenino | 2020/08/15 19:00 | Lorraine M. Guillermo v Sophie Chang | 2-6,3-6 |
| UTR Pro Tennis Series - California - Femenino | 2020/08/15 16:00 | Lorraine M. Guillermo v Marcela Zacarias | 6-0,6-2 |
| UTR Pro Tennis Series - California - Femenino | 2020/08/12 20:50 | Lorraine M. Guillermo v Marcela Zacarias | 4-6,0-6 |
| UTR Pro Tennis Series - California - Femenino | 2020/08/12 16:00 | Kayla Day v Lorraine M. Guillermo | 6-2,2-6,10-3 |
| UTR Pro Tennis Series - California - Femenino | 2020/08/11 18:30 | Lorraine M. Guillermo v Emma Davis | 2-6,6-4,5-10 |
| UTR Pro Tennis Series - California - Femenino | 2020/08/11 16:00 | Marcela Zacarias v Lorraine M. Guillermo | 0-6,2-6 |
| UTR Pro Tennis Series - California - Femenino | 2020/08/08 18:30 | Lorraine M. Guillermo v Sophie Chang | 1-6,1-6 |