Estadio: Court 2 Round: 25 Ground: Hardcourt outdoor
| 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 | Gabriela Talaba v Catherine Harrison | 4-6,1-6 |
| ITF W25 Naples | 2021/05/05 14:00 | Irina Fetecau v Catherine Harrison | 6-1,6-2 |
| ITF W60 Charlottesville | 2021/04/27 15:50 | Jamie Loeb v Catherine Harrison | 6-4,6-2 |
| ITF W60 Charlottesville | 2021/04/26 17:25 | Rosie Johanson v Catherine Harrison | 4-6,0-6 |
| WTA Charleston | 2021/04/03 17:25 | Catherine Harrison v Kateryna Volodko | 7-5,2-6,3-6 |
| ITF W25 Santo Domingo | 2021/06/10 12:55 | Marina Bassols Ribera v Paige Mary Hourigan | 6-3,6-1 |
| ITF W25 Santo Domingo | 2021/06/09 15:35 | Paige Mary Hourigan v Yuliana Lizarazo | 6-1,6-3 |
| ITF W25 Santo Domingo | 2021/06/02 13:30 | Laura Pigossi v Paige Mary Hourigan | 3-6,6-3,6-3 |
| ITF W25 Salinas | 2021/05/14 14:55 | Conny Perrin v Paige Mary Hourigan | 6-3,6-3 |
| ITF W25 Salinas | 2021/05/13 15:45 | Paige Mary Hourigan v Mell E R Gonzalez | 6-1,6-4 |
| ITF W25 Salinas | 2021/05/11 17:45 | Paige Mary Hourigan v Andrea C R Cuellar | 6-0,6-0 |
| ITF W25 Salinas | 2021/05/06 14:30 | Paige Mary Hourigan v Carol Zhao | 1-6,2-6 |
| ITF W25 Salinas | 2021/05/05 15:45 | Maria Timofeeva v Paige Mary Hourigan | 3-6,3-6 |