| ITF W25 Pelham | 2021/05/18 16:05 | Jantje Tilbuerger v Sarah Hamner | 6-2,6-4 |
| ITF W25 Naples | 2021/05/04 14:00 | Kayla Day v Sarah Hamner | 3-6,7-6,10-5 |
| ITF W25 Naples | 2021/05/03 15:00 | Sarah Hamner v Amy Zhu | 7-5,4-6,10-5 |
| ITF W25 Boca Raton | 2021/02/22 15:00 | Sarah Hamner v Ana Sofia Sanchez | 3-6,3-6 |
| ITF W25 Orlando | 2021/02/17 14:55 | Sarah Hamner v Katrina Scott | 1-6,2-6 |
| ITF W60 Rome GA | 2021/01/27 19:10 | Conny Perrin v Sarah Hamner | 6-7,6-1,6-2 |
| ITF W60 Rome GA | 2021/01/26 16:30 | Sarah Hamner v Maria Sanchez | 3-6,6-1,10-4 |
| ITF W60 Rome GA | 2021/01/25 20:00 | Mari Osaka v Sarah Hamner | 6-7,4-6 |