Stadium: Court 6 Round: 45
| ITF Women Heraklion | 2018/03/10 10:00 | Caldwell, Harris v Ciutescu, Francesca Dorothea | 0-6,2-6 |
| Wesley Chapel, Singles Qualifying W-WITF-USA-03A | 2018/01/21 16:30 | Caldwell, Harris v Rukosuev, Maya | 0-6,3-6 |
| ITF Women Petit-Bourg | 2018/01/16 15:00 | Caty McNally v Caldwell, Harris | 6-0,6-1 |
| ITF Women Fort-De-France | 2018/01/08 13:30 | Caldwell, Harris v Mara Schmidt | 0-6,2-6 |
| Tampa, Singles Qualifying W-WITF-USA-08A | 2017/03/12 15:30 | Rojas, Sofia Camila v Caldwell, Harris | 6-2,6-3 |