Stadium: N Round: 54
| ITF Women Lubbock | 2018/09/17 14:00 | Jennifer Elie v Catherine Harrison | 6-2,2-6,6-4 |
| ITF Women Lubbock | 2018/09/15 14:00 | Catherine Harrison v Kennedy Shaffer | 4-6,7-5,6-1 |
| ITF Women Ashland Qual | 2018/07/24 14:00 | Amanda Rodgers v Catherine Harrison | 5-7,7-5,6-7 |
| ITF Women Ashland Qual | 2018/07/23 15:45 | Alexandra Mueller v Catherine Harrison | 6-4,3-6,5-7 |
| ITF Women Ashland Qual | 2018/07/22 19:25 | Catherine Harrison v Dominique Schaefer | 6-2,6-2 |
| ITF Women Berkeley Qual | 2018/07/16 19:00 | Pamela Montez v Catherine Harrison | 6-7,6-3,7-5 |
| ITF Women Berkeley Qual | 2018/07/15 19:00 | Catherine Harrison v Alexa Ryngler | 4-6,6-4,6-3 |
| ITF Women Honolulu | 2018/07/12 23:15 | Danielle Lao v Catherine Harrison | 6-3,2-6,6-1 |
| ITF Women Honolulu Qual | 2018/07/08 20:55 | Andrea Duva v Anastasia Sysoeva | 3-6,0-6 |
| ITF Women Osprey Qual | 2018/05/22 13:00 | Andrea Duva v Alice Garcia | 0-6,3-6 |
| ITF Women Osprey Qual | 2018/05/21 14:00 | Andrea Duva v Lia Karatancheva | 6-2,6-0 |
| ITF Women Irapuato Qual | 2018/03/10 20:30 | Andrea Duva v Ellie Douglas | 0-6,3-6 |
| ITF Women Sao Paulo Qual | 2018/02/25 13:00 | Emiliana Arango v Andrea Duva | 6-0,6-1 |
| ITF Women Sao Paulo Qual | 2018/02/24 12:00 | Leticia Giudici v Andrea Duva | 3-6,1-6 |
| ITF Women Curitiba Qual | 2018/02/18 14:00 | Tamara Zidansek v Andrea Duva | 6-1,6-0 |
| ITF Women Curitiba Qual | 2018/02/17 12:30 | Louise R D Campos v Andrea Duva | 3-6,0-6 |