| WTA - Cleveland | 08/23 16:00 | 25 | [340] Catherine Harrison v Caroline Garcia [61] | 1-6,2-6 | |
| WTA - Cleveland | 08/22 14:00 | 19 | [340] Catherine Harrison v Tara Moore [432] | 6-4,5-7,6-1 | |
| WTA - Cleveland | 08/21 15:45 | 14 | Catherine Harrison v Tori Kinard | 6-3,7-5 | |
| WTA - Concord | 08/01 14:00 | 14 | [209] Robin Anderson v Catherine Harrison [310] | 7-5,6-1 | |
| WTA - Charleston | 07/26 19:30 | 25 | [225] Rebecca Marino v Catherine Harrison [310] | 6-4,6-4 | |
| ITF - W25 Evansville | 07/16 17:05 | 27 | [177] Mayo Hibi v Catherine Harrison [315] | 6-1,6-1 | |
| ITF - W25 Evansville | 07/15 14:00 | 26 | [368] Robin Montgomery v Catherine Harrison [315] | 3-6,6-7 | |
| ITF - W25 Evansville | 07/14 16:20 | 25 | Joelle Kissell v Catherine Harrison | 1-6,1-6 | |
| UTR Pro Tennis Series - Dallas - Feminino | 07/11 13:00 | - | [293] Marcela Zacarias v Catherine Harrison [311] | 7-6,5-1 | |
| UTR Pro Tennis Series - Dallas - Feminino | 07/10 16:00 | - | Emma Staker v Catherine Harrison | 2-6,5-6 | |
| UTR Pro Tennis Series - Dallas - Feminino | 07/09 17:30 | - | Catherine Harrison v Anna Riedmiller | 7-6,6-1 | |
| UTR Pro Tennis Series - Dallas - Feminino | 07/07 14:30 | - | Catherine Harrison v Sabina Machalova | 6-3,7-6 | |
| UTR Pro Tennis Series - Dallas - Feminino | 07/06 18:00 | - | Catherine Harrison v Sophie Abrams | 4-6,6-3,6-1 | |
| UTR Pro Tennis Series - Dallas - Feminino | 07/05 17:30 | - | Enya Ratkic v Catherine Harrison | 0-6,3-6 | |
| ITF - W25 Sumter | 06/16 15:30 | 25 | [313] Catherine Harrison v Paige Hourigan [434] | 5-7,0-6 | |
| ITF - W25 Pelham | 05/19 19:50 | 25 | [310] Catherine Harrison v Mirjam Bjorklund [331] | 2-6,3-6 | |
| ITF - W100 Bonita Springs | 05/12 13:50 | 25 | [299] Katie Volynets v Catherine Harrison [305] | 6-3,6-2 | |
| ITF - W100 Bonita Springs | 05/11 16:15 | 54 | [305] Catherine Harrison v Victoria Duval [439] | 1-6,4-6 | |
| ITF - W100 Bonita Springs | 05/10 23:50 | 54 | [209] Gabriela Talaba v Catherine Harrison [305] | 4-6,1-6 | |
| ITF - W25 Naples | 05/05 14:00 | 25 | [307] Irina Fetecau v Catherine Harrison [299] | 6-1,6-2 | |
| ITF - W60 Charlottesville | 04/27 15:50 | 54 | [267] Jamie Loeb v Catherine Harrison [299] | 6-4,6-2 | |
| ITF - W60 Charlottesville | 04/26 17:25 | 54 | Rosie Johanson v Catherine Harrison | 4-6,0-6 | |
| WTA - Charleston | 04/03 17:25 | 14 | [293] Catherine Harrison v Kateryna Bondarenko [245] | 7-5,2-6,3-6 | |
| UTR Pro Tennis Series - Atlanta - Feminino | 03/30 15:30 | - | Anastasia Sysoeva v Catherine Harrison | 3-6,4-6 | |
| ITF - W25 Newport Beach | 03/04 18:00 | 25 | [290] Catherine Harrison v Hanna Chang [306] | 3-6,4-6 | |
| ITF - W25 Boca Ratón | 02/25 18:20 | 26 | [219] Claire Liu v Catherine Harrison [289] | 6-4,6-2 | |
| ITF - W25 Boca Ratón | 02/24 18:00 | 25 | [363] Beatriz Haddad Maia v Catherine Harrison [289] | 6-4,4-6,3-6 | |
| ITF - W25 Boca Ratón | 02/23 17:45 | 54 | [289] Catherine Harrison v Amina Anshba [339] | 7-6,5-7,10-4 | |
| ITF - W25 Boca Ratón | 02/22 15:00 | 54 | Catherine Harrison v Tara Moore | 6-3,6-4 | |
| ITF - W25 Orlando | 02/16 14:50 | 54 | [288] Catherine Harrison v Maria Lourdes Carle [445] | 1-6,3-6 |