Stadium: Court 3 Round: 25 Ground: Hardcourt indoor
| WTA Chicago | 2018/09/06 17:30 | Allie Kiick v Sachia Vickery | 4-6,0-6 |
| WTA Chicago | 2018/09/04 15:00 | Kristyna Pliskova v Allie Kiick | 7-6,2-6,2-6 |
| US Open Women | 2018/08/21 20:35 | Allie Kiick v Alexandra Dulgheru | 2-6,6-3,2-6 |
| WTA Cincinnati | 2018/08/14 15:00 | Tatjana Maria v Allie Kiick | 5-7,6-3,6-3 |
| WTA Cincinnati Qual | 2018/08/12 17:30 | Natalia Vikhlyantseva v Allie Kiick | 5-7,1-6 |
| WTA Cincinnati Qual | 2018/08/11 21:20 | Allie Kiick v Samantha Stosur | 7-6,6-1 |
| WTA Washington | 2018/08/04 16:35 | Saisai Zheng v Allie Kiick | 6-3,6-1 |
| WTA Washington | 2018/08/02 01:00 | Allie Kiick v Katie Boulter | 6-4,5-7,6-1 |
| ITF Women Stockton | 2018/10/02 23:00 | Robin Anderson v Kristie Ahn | 6-1,4-6,7-6 |
| ITF Women Templeton | 2018/09/26 17:00 | Kristie Ahn v Maria Sanchez | 0-6,2-6 |
| WTA Quebec City | 2018/09/11 17:10 | Kristie Ahn v Olga Govortsova | 1-6,4-6 |
| WTA Chicago | 2018/09/06 15:00 | Kristie Ahn v Dayana Yastremska | 6-7,4-6 |
| WTA Chicago | 2018/09/05 15:00 | Eugenie Bouchard v Kristie Ahn | 6-7,4-6 |
| WTA Chicago | 2018/09/03 22:40 | Kristie Ahn v Quinn Gleason | 2-6,6-4,7-5 |
| WTA Chicago | 2018/09/02 20:30 | Kristie Ahn v Michaela Gordon | 6-0,6-2 |
| US Open Women | 2018/08/23 16:40 | Ons Jabeur v Kristie Ahn | 6-1,6-2 |