| ITF Orlando - Femenino | 2017/01/14 23:00 | Catherine Harrison v Marcela Zacarias | 6-0,5-7,5-7 |
| UTR Pro Tennis Series - Dallas - Femenino | 2021/07/10 13:00 | Marcela Zacarias v Maria Kononova | 6-0,6-1 |
| UTR Pro Tennis Series - Dallas - Femenino | 2021/07/09 14:30 | Mary Stoiana v Marcela Zacarias | 3-6,2-5 |
| UTR Pro Tennis Series - Dallas - Femenino | 2021/07/08 14:30 | Martina Okalova v Marcela Zacarias | 2-6,1-5 |
| UTR Pro Tennis Series - Dallas - Femenino | 2021/07/06 14:30 | Malkia Ngounoue v Marcela Zacarias | 2-6,2-5 |
| UTR Pro Tennis Series - Dallas - Femenino | 2021/07/05 20:30 | Marcela Zacarias v Daria Smetannikov | 6-2,6-3 |
| UTR Pro Tennis Series - California - Femenino | 2021/07/04 15:00 | Marcela Zacarias v Eryn Cayetano | 6-4,6-3 |
| UTR Pro Tennis Series - California - Femenino | 2021/07/03 15:00 | Marcela Zacarias v Ava Markham | 6-3,7-6 |
| UTR Pro Tennis Series - California - Femenino | 2021/07/01 16:30 | Marcela Zacarias v Taylor Johnson | 6-0,5-2 |
| UTR Pro Tennis Series - Dallas - Femenino | 2021/07/10 16:00 | Emma Staker v Catherine Harrison | 2-6,5-6 |
| UTR Pro Tennis Series - Dallas - Femenino | 2021/07/09 17:30 | Catherine Harrison v Anna Riedmiller | 7-6,6-1 |
| UTR Pro Tennis Series - Dallas - Femenino | 2021/07/07 14:30 | Catherine Harrison v Sabina Machalova | 6-3,7-6 |
| UTR Pro Tennis Series - Dallas - Femenino | 2021/07/06 18:00 | Catherine Harrison v Sophie Abrams | 4-6,6-3,6-1 |
| UTR Pro Tennis Series - Dallas - Femenino | 2021/07/05 17:30 | Enya Ratkic v Catherine Harrison | 0-6,3-6 |
| ITF W25 Sumter | 2021/06/16 15:30 | Catherine Harrison v Paige Mary Hourigan | 5-7,0-6 |
| ITF W25 Pelham | 2021/05/19 19:50 | Catherine Harrison v Mirjam Bjorklund | 2-6,3-6 |
| ITF W100 Bonita Springs | 2021/05/12 13:50 | Katie Volynets v Catherine Harrison | 6-3,6-2 |