| US Pro Tennis Series West Coast Women | 2020/06/06 18:15 | Closs, Mary v Whittle, Sophia | 0-6,0-6 |
| US Pro Tennis Series West Coast Women | 2020/06/04 19:25 | Whittle, Sophia v Closs, Mary | 6-0,6-1 |
| Las Vegas, Singles W-ITF-USA-08A | 2020/03/02 18:00 | Whittle, Sophia v Closs, Mary | 6-0,6-2 |
| UTR Pro Tennis Series California Women | 2020/07/10 17:15 | Whittle, Sophia v Sherif, Jwany | 6-2,6-4 |
| UTR Pro Tennis Series California Women | 2020/07/09 21:00 | Whittle, Sophia v Montez, Pamela | 6-4,6-3 |
| UTR Pro Tennis Series California Women | 2020/07/08 19:45 | Whittle, Sophia v Guillermo, Lorraine M | 6-4,7-5 |
| UTR Pro Tennis Series California Women | 2020/07/08 18:30 | Whittle, Sophia v Chavatipon, Charlotte | 6-3,6-3 |
| UTR Pro Tennis Series California Women | 2020/07/08 16:00 | Whittle, Sophia v Sophie Chang | 0-0 |
| UTR Pro Tennis Series California Women | 2020/07/06 19:45 | Montez, Pamela v Whittle, Sophia | 7-6,3-6,10-1 |
| UTR Pro Tennis Series California Women | 2020/07/06 16:00 | Whittle, Sophia v Guillermo, Lorraine M | 6-4,6-2 |
| UTR Pro Tennis Series California Women | 2020/06/27 21:00 | Whittle, Sophia v Guillermo, Lorraine M | 2-6,6-4,10-7 |
| UTR Pro Tennis Series California Women | 2020/06/26 19:00 | Lorraine Guillermo v Closs, Mary | 6-4,4-6,0-1 |
| US Pro Tennis Series East Coast Women | 2020/06/26 19:00 | Guillermo, Lorraine M v Closs, Mary | 6-4,4-6,7-10 |
| 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 |