Head to Head
| UTR Pro Tennis Series - California - Femenino | 2020/07/27 17:15 | Hanna Chang v Kayla Day | 3-6,1-6 |
| UTR Pro Tennis Series - California - Femenino | 2020/07/24 16:00 | Hanna Chang v Kayla Day | 1-6,3-6 |
| US Pro Tennis Series - West Coast - Femenino | 2020/06/17 19:50 | Hanna Chang v Kayla Day | 5-7,6-4,11-9 |
| US Pro Tennis Series - West Coast - Femenino | 2020/06/12 17:55 | Hanna Chang v Kayla Day | 7-6,6-0 |
| ITF W60 Berkeley | 2019/07/17 19:00 | Kayla Day v Hanna Chang | 6-2,4-6,4-6 |
Home History
| UTR Pro Tennis Series - California - Femenino | 2020/08/18 16:00 | Hanna Chang v Marcela Zacarias | 6-3,6-4 |
| UTR Pro Tennis Series - California - Femenino | 2020/08/17 18:30 | Hanna Chang v Lorraine M. Guillermo | 6-4,3-6,10-7 |
| 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 |
Away History
| UTR Pro Tennis Series - California - Femenino | 2020/08/14 18:30 | Kayla Day v Paige Cline | 6-1,6-2 |
| UTR Pro Tennis Series - California - Femenino | 2020/08/14 17:15 | Marcela Zacarias v Kayla Day | 3-6,2-6 |
| UTR Pro Tennis Series - California - Femenino | 2020/08/13 19:45 | Jwany Sherif v Kayla Day | 1-6,1-6 |
| UTR Pro Tennis Series - California - Femenino | 2020/08/13 17:15 | Kayla Day v Sophie Chang | 4-6,6-1,5-10 |
| 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 | 2020/07/30 16:00 | Giuliana Olmos v Kayla Day | 7-6,7-6 |
| UTR Pro Tennis Series - California - Femenino | 2020/07/27 17:15 | Hanna Chang v Kayla Day | 3-6,1-6 |
| UTR Pro Tennis Series - California - Femenino | 2020/07/24 16:00 | Hanna Chang v Kayla Day | 1-6,3-6 |
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