Stadium: Court 1 Round: 1
| ITF W25 Fort Worth | 2019/08/02 14:00 | Guillermo, Lorraine M v Whittle, Sophia | 6-0,7-6 |
| 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 |
| US Pro Tennis Series West Coast Women | 2020/06/04 17:05 | Whittle, Sophia v Ena Shibahara | 1-6,6-7 |
| US Pro Tennis Series West Coast Women | 2020/06/02 22:15 | Ena Shibahara v Whittle, Sophia | 7-5,6-7,1-10 |
| US Pro Tennis Series West Coast Women | 2020/06/02 16:15 | Montez, Pamela v Whittle, Sophia | 3-6,6-3,7-10 |
| Las Vegas, Singles W-ITF-USA-08A | 2020/03/07 03:05 | Diane Parry v Whittle, Sophia | 6-4,6-1 |
| Las Vegas, Singles W-ITF-USA-08A | 2020/03/04 19:25 | Whittle, Sophia v Sofia Shapatava | 6-2,6-3 |
| Las Vegas, Singles W-ITF-USA-08A | 2020/03/03 19:30 | Whittle, Sophia v Brantmeier, Reese | 6-4,7-5 |
| US Pro Tennis Series West Coast Women | 2020/06/06 16:00 | Mohamad, Shatoo v Guillermo, Lorraine M | 5-7,2-6 |
| US Pro Tennis Series West Coast Women | 2020/06/05 19:55 | Giuliana Olmos v Guillermo, Lorraine M | 7-6,6-7,10-5 |
| 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 | 2020/06/02 20:20 | Montez, Pamela v Guillermo, Lorraine M | 6-1,6-3 |
| US Pro Tennis Series West Coast Women | 2020/06/02 17:55 | Guillermo, Lorraine M v Ena Shibahara | 7-5,4-6,5-10 |
| Las Vegas, Singles W-ITF-USA-08A | 2020/03/02 18:00 | Chavatipon, Charlotte v Guillermo, Lorraine M | 0-6,6-3,10-4 |
| Rancho Santa Fe, Ca, Singles W-ITF-USA-05A | 2020/02/24 21:10 | Guillermo, Lorraine M v Olga Danilovic | 4-6,6-2,1-6 |
| ITF W25 Malibu | 2020/01/14 21:00 | Guillermo, Lorraine M v Solymar Colling | 2-6,3-6 |