Stadium: C Round: 27
| ITF Women Dothan | 2017/04/19 15:00 | Ashley Kratzer v Kristie Ahn | 4-6,6-4,4-6 |
| ITF Women Berkeley | 2018/07/19 19:05 | Ashley Kratzer v Danielle Lao | 5-7,6-4,7-6 |
| ITF Women Berkeley | 2018/07/18 20:35 | Grace Min v Ashley Kratzer | 4-6,4-6 |
| ITF Women Honolulu | 2018/07/11 22:20 | Jessica Pegula v Ashley Kratzer | 3-6,6-0,6-2 |
| ITF Women Bethany Beach | 2018/06/09 13:00 | Katerina Stewart v Ashley Kratzer | 3-6,6-3,6-0 |
| ITF Women Bethany Beach | 2018/06/08 15:05 | Usue Maitane Arconada v Ashley Kratzer | 1-6,6-2,2-6 |
| ITF Women Bethany Beach | 2018/06/07 14:50 | Elysia Bolton v Ashley Kratzer | 6-4,2-6,3-6 |
| ITF Women Bethany Beach | 2018/06/06 16:20 | Ann Li v Ashley Kratzer | 3-6,3-6 |
| ITF Women Naples | 2018/06/02 16:00 | Nicole Gibbs v Ashley Kratzer | 6-4,6-4 |
| ITF Women Berkeley | 2018/07/19 17:00 | Maegan Manasse v Kristie Ahn | 1-6,6-4,1-6 |
| ITF Women Berkeley | 2018/07/18 17:00 | Emiliana Arango v Kristie Ahn | 4-6,1-6 |
| Wimbledon Women Qual | 2018/06/27 14:05 | Kristie Ahn v Marta Kostyuk | 7-6,3-6,7-9 |
| Wimbledon Women Qual | 2018/06/26 13:30 | Daniela Seguel v Kristie Ahn | 1-6,3-6 |
| WTA Birmingham Qual | 2018/06/17 10:00 | Kristie Ahn v Jennifer Brady | 3-6,6-7 |
| WTA Birmingham Qual | 2018/06/16 10:00 | Fanny Stollar v Kristie Ahn | 2-6,6-7 |
| WTA Nottingham | 2018/06/11 13:35 | Denisa Allertova v Kristie Ahn | 6-3,6-1 |
| ITF Women Surbiton | 2018/06/08 14:55 | Kristie Ahn v Alison Riske-Amritraj | 0-6,4-6 |