| US Pro Tennis Series West Coast Women | 2020/06/03 17:35 | Closs, Mary v Hanna Chang | 1-6,3-6 |
| US Pro Tennis Series West Coast Women | 2020/06/05 18:05 | Hanna Chang v Guillermo, Lorraine M | 6-0,6-4 |
| US Pro Tennis Series West Coast Women | 2020/06/03 20:50 | Hanna Chang v Giuliana Olmos | 0-6,0-6 |
| US Pro Tennis Series West Coast Women | 2020/06/03 17:35 | Closs, Mary v Hanna Chang | 1-6,3-6 |
| US Pro Tennis Series West Coast Women | 2020/06/01 19:10 | Giuliana Olmos v Hanna Chang | 6-3,7-5 |
| US Pro Tennis Series West Coast Women | 2020/06/01 17:15 | Hanna Chang v Montez, Pamela | 1-6,2-6 |
| Irapuato, Singles W-ITF-MEX-02A | 2020/03/11 19:55 | Xu, Shilin v Hanna Chang | 3-6,2-6 |
| Irapuato, Singles W-ITF-MEX-02A | 2020/03/09 23:30 | Hanna Chang v Giuliana Olmos | 6-2,7-5 |
| WTA - Indian Wells | 2020/03/04 22:50 | Hanna Chang v Nara, Kurumi | 1-6,3-6 |
| US Pro Tennis Series West Coast Women | 2020/06/05 16:40 | Giuliana Olmos v Closs, Mary | 6-2,6-1 |
| US Pro Tennis Series West Coast Women | 2020/06/04 20:50 | Ena Shibahara v Closs, Mary | 6-2,6-1 |
| US Pro Tennis Series West Coast Women | 2020/06/04 19:25 | Whittle, Sophia v Closs, Mary | 6-0,6-1 |
| US Pro Tennis Series West Coast Women | 2020/06/04 16:00 | Carson Branstine v Closs, Mary | 6-1,6-2 |
| US Pro Tennis Series West Coast Women | 2020/06/03 19:10 | Closs, Mary v Montez, Pamela | 2-6,1-6 |
| US Pro Tennis Series West Coast Women | 2020/06/03 17:35 | Closs, Mary v Hanna Chang | 1-6,3-6 |
| US Pro Tennis Series Women | 2020/05/24 19:15 | Nefedova, Anastasia Evgenyevna v Closs, Mary | 6-2,6-1 |
| US Pro Tennis Series Women | 2020/05/24 13:30 | Sewing, Sofia v Closs, Mary | 6-4,6-4 |