[467] Kayla Day 6-2,2-6,10-3 Guillermo, Lorraine M [333] 2020-08-12 16:00
Face à face
| 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 | 2020/06/18 16:00 | Guillermo, Lorraine M v Kayla Day | 2-6,5-7 |
| US Pro Tennis Series West Coast Women | 2020/06/14 16:00 | Kayla Day v Guillermo, Lorraine M | 6-2,6-4 |
| Rancho Santa Fe, Ca, Singles W-ITF-USA-05A | 2019/02/19 19:30 | Guillermo, Lorraine M v Kayla Day | 1-6,3-6 |
| ITF Women Rancho Santa Fe | 2018/02/21 22:50 | Kayla Day v Guillermo, Lorraine M | 3-6,6-7 |
Home History
| UTR Pro Tennis Series California Women | 2020/07/30 16:00 | Giuliana Olmos v Kayla Day | 7-6,7-6 |
| UTR Pro Tennis Series California Women | 2020/07/27 17:15 | Hanna Chang v Kayla Day | 3-6,1-6 |
| UTR Pro Tennis Series California Women | 2020/07/24 16:00 | Hanna Chang v Kayla Day | 1-6,3-6 |
| UTR Pro Tennis Series California Women | 2020/07/21 23:55 | Montez, Pamela v Kayla Day | 2-6,6-7 |
| US Pro Tennis Series West Coast Women | 2020/06/25 20:00 | Andrea Gamiz v Kayla Day | 2-6,6-1,10-7 |
| US Pro Tennis Series West Coast Women | 2020/06/25 18:20 | Kayla Day v Whittle, Sophia | 6-2,6-3 |
| US Pro Tennis Series West Coast Women | 2020/06/24 21:15 | Kayla Day v Wijesundera, Rushri | 6-3,6-1 |
| US Pro Tennis Series West Coast Women | 2020/06/24 17:50 | Kayla Day v Guillermo, Lorraine M | 6-2,6-2 |
Away History
| UTR Pro Tennis Series California Women | 2020/08/11 18:30 | Guillermo, Lorraine M v Davis, Emma | 2-6,6-4,5-10 |
| UTR Pro Tennis Series California Women | 2020/08/11 16:00 | Marcela Zacarias v Guillermo, Lorraine M | 0-6,2-6 |
| UTR Pro Tennis Series California Women | 2020/08/08 18:30 | Guillermo, Lorraine M v Sophie Chang | 1-6,1-6 |
| UTR Pro Tennis Series California Women | 2020/08/08 16:00 | Guillermo, Lorraine M v Maegan Manasse | 6-2,6-2 |
| UTR Pro Tennis Series California Women | 2020/08/07 18:30 | Davis, Emma v Guillermo, Lorraine M | 7-5,6-1 |
| UTR Pro Tennis Series California Women | 2020/08/07 16:00 | Marcela Zacarias v Guillermo, Lorraine M | 1-6,6-0,1-0 |
| UTR Pro Tennis Series California Women | 2020/08/01 18:30 | Guillermo, Lorraine M v Chavatipon, Charlotte | 6-1,6-2 |
| UTR Pro Tennis Series California Women | 2020/08/01 16:00 | Guillermo, Lorraine M v Giuliana Olmos | 3-6,3-6 |