Stadium: Court 1 Round: 1
| US Pro Tennis Series West Coast Women | 2020/06/22 17:55 | Closs, Mary v Guillermo, Lorraine M | 2-6,3-6 |
| US Pro Tennis Series West Coast Women | 2020/06/15 19:20 | Closs, Mary v Guillermo, Lorraine M | 3-6,3-6 |
| US Pro Tennis Series East Coast Women | 2020/06/26 17:15 | Guillermo, Lorraine M v Montez, Pamela | 5-7,2-6 |
| 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 | 2020/06/24 17:50 | Kayla Day v Guillermo, Lorraine M | 6-2,6-2 |
| US Pro Tennis Series West Coast Women | 2020/06/22 19:50 | Wijesundera, Rushri v Guillermo, Lorraine M | 1-6,4-6 |
| US Pro Tennis Series West Coast Women | 2020/06/22 17:55 | Closs, Mary v Guillermo, Lorraine M | 2-6,3-6 |
| US Pro Tennis Series West Coast Women | 2020/06/19 19:35 | Guillermo, Lorraine M v Mohamad, Shatoo | 6-3,6-2 |
| US Pro Tennis Series West Coast Women | 2020/06/19 17:20 | Hanna Chang v Guillermo, Lorraine M | 6-4,7-5 |
| US Pro Tennis Series West Coast Women | 2020/06/18 16:00 | Guillermo, Lorraine M v Kayla Day | 2-6,5-7 |
| UTR Pro Tennis Series California Women | 2020/06/26 16:00 | Mohamad, Shatoo v Closs, Mary | 4-6,2-5 |
| US Pro Tennis Series West Coast Women | 2020/06/23 21:55 | Closs, Mary v Andrea Gamiz | 2-6,1-6 |
| US Pro Tennis Series West Coast Women | 2020/06/23 17:55 | Closs, Mary v Montez, Pamela | 6-1,1-6,3-10 |
| US Pro Tennis Series West Coast Women | 2020/06/22 21:10 | Closs, Mary v Giuliana Olmos | 3-6,0-6 |
| US Pro Tennis Series West Coast Women | 2020/06/22 17:55 | Closs, Mary v Guillermo, Lorraine M | 2-6,3-6 |
| US Pro Tennis Series West Coast Women | 2020/06/20 19:40 | Andrea Gamiz v Closs, Mary | 6-2,6-0 |
| US Pro Tennis Series West Coast Women | 2020/06/20 18:05 | Kayla Day v Closs, Mary | 6-0,6-1 |
| US Pro Tennis Series West Coast Women | 2020/06/19 22:40 | Mohamad, Shatoo v Closs, Mary | 6-3,2-6,6-10 |