| UTR Pro Tennis Series - Kalifornia - Kobiety | 2021/05/04 15:00 | Makenna Thiel v Taylor Cataldi | 6-4,2-6,6-4 |
| UTR Pro Tennis Series - Kalifornia - Kobiety | 2021/05/03 19:30 | Makenna Thiel v Leyden Games | 3-6,2-6 |
| UTR Pro Tennis Series Atlanta - Kobiety | 2021/03/28 12:30 | Tereza Koplova v Makenna Thiel | 1-6,5-7 |
| UTR Pro Tennis Series Atlanta - Kobiety | 2021/03/27 15:30 | Akilah James v Makenna Thiel | 1-6,6-7 |
| UTR Pro Tennis Series Atlanta - Kobiety | 2021/03/26 15:30 | Makenna Thiel v Dalayna Hewitt | 1-6,4-6 |
| UTR Pro Tennis Series Atlanta - Kobiety | 2021/03/25 15:27 | Makenna Thiel v Jessica Luisa Alsola | 3-6,2-5 |
| UTR Pro Tennis Series Atlanta - Kobiety | 2021/03/24 14:30 | Stephanie Schrage v Makenna Thiel | 6-1,6-3 |
| UTR Pro Tennis Series Atlanta - Kobiety | 2021/03/23 12:30 | Sophie Chang v Makenna Thiel | 6-1,6-2 |
| UTR Pro Tennis Series - Kalifornia - Kobiety | 2021/05/04 19:30 | Leyden Games v Marcela Zacarias | 1-6,6-6 |
| Puchar Billie Jean King | 2021/04/17 10:30 | Heather Watson v Marcela Zacarias | 3-6,6-7 |
| Puchar Billie Jean King | 2021/04/16 12:45 | Katie Boulter v Marcela Zacarias | 7-5,6-0 |
| WTA Monterrey | 2021/03/13 17:30 | Marcela Zacarias v Maiar S A Abdelaziz | 3-6,6-7 |
| WTA Guadalajara | 2021/03/07 20:00 | Giuliana Olmos v Marcela Zacarias | 7-5,4-6,7-6 |
| WTA Guadalajara | 2021/03/06 21:45 | Marcela Zacarias v Sachia Vickery | 6-2,6-1 |
| ITF - Boca Raton W25 | 2021/02/23 17:25 | Marcela Zacarias v Katie Volynets | 6-3,5-7,6-10 |
| ITF - Boca Raton W25 | 2021/02/22 15:00 | Marcela Zacarias v Peyton Stearns | 6-1,6-4 |