| UTR Pro Tennis Series Dallas Women | 2021/07/07 14:30 | Catherine Harrison v Machalova, Sabina | 6-3,7-6 |
| UTR Pro Tennis Series Dallas Women | 2021/07/06 18:00 | Catherine Harrison v Abrams, Sophie | 4-6,6-3,6-1 |
| UTR Pro Tennis Series Dallas Women | 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 Hourigan, Paige Mary | 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 |
| ITF - W100 Bonita Springs | 2021/05/11 16:15 | Catherine Harrison v Victoria Duval | 1-6,4-6 |
| ITF - W100 Bonita Springs | 2021/05/10 23:50 | Talaba, Gabriela v Catherine Harrison | 4-6,1-6 |
| UTR Pro Tennis Series Dallas Women | 2021/07/08 13:00 | Abrams, Sophie v Riedmiller, Anna | 6-2,6-2 |
| UTR Pro Tennis Series Dallas Women | 2021/07/06 16:00 | Enya Ratkic v Riedmiller, Anna | 2-6,1-6 |
| UTR Pro Tennis Series Dallas Women | 2021/07/05 17:30 | Riedmiller, Anna v Machalova, Sabina | 6-4,7-6 |
| Denver, Singles Qualifying W-ITF-USA-28A | 2019/06/18 16:00 | Alexandra Osborne v Riedmiller, Anna | 6-2,6-2 |
| Denver, Singles Qualifying W-ITF-USA-28A | 2019/06/17 16:00 | Riedmiller, Anna v Lynn, Rebecca | 2-6,6-2,10-7 |