Stadium: Championship Round: 28 Ground: Clay
| ITF W25 Orlando | 2020/11/11 18:50 | Katie Volynets v Hanna Chang | 6-0,4-6,4-6 |
| ITF W100 Bonita Springs | 2021/05/14 21:55 | Madison Brengle v Katie Volynets | 1-6,2-6 |
| ITF W100 Bonita Springs | 2021/05/13 13:55 | Katie Volynets v Renata Zarazua | 6-1,6-3 |
| ITF W100 Bonita Springs | 2021/05/12 13:50 | Katie Volynets v Catherine Harrison | 6-3,6-2 |
| ITF W100 Charleston | 2021/05/07 13:50 | Madison Brengle v Katie Volynets | 7-5,7-6 |
| ITF W100 Charleston | 2021/05/06 17:00 | Storm Hunter v Katie Volynets | 2-6,0-6 |
| ITF W100 Charleston | 2021/05/05 18:30 | Katie Volynets v Xinyu Wang | 2-6,6-3,6-2 |
| ITF W60 Charlottesville | 2021/04/29 14:00 | Xinyu Wang v Katie Volynets | 6-1,6-3 |
| ITF W60 Charlottesville | 2021/04/27 18:10 | Katie Volynets v Danielle Lao | 6-2,1-6,6-4 |
| ITF W100 Bonita Springs | 2021/05/14 21:00 | Francesca Di Lorenzo v Hanna Chang | 3-6,3-6 |
| ITF W100 Bonita Springs | 2021/05/13 15:55 | Hanna Chang v Xinyu Wang | 6-4,3-6,6-1 |
| ITF W100 Bonita Springs | 2021/05/12 23:35 | Kyoka Okamura v Hanna Chang | 2-6,3-6 |
| ITF W100 Bonita Springs | 2021/05/11 14:00 | Hanna Chang v Seone Mendez | 7-5,6-4 |
| ITF W100 Bonita Springs | 2021/05/10 21:05 | Nagi Hanatani v Hanna Chang | 3-6,4-6 |
| ITF W25 Naples | 2021/05/07 13:30 | Hanna Chang v Jesika Maleckova | 2-6,6-4,3-6 |
| ITF W25 Naples | 2021/05/06 14:50 | Ulrikke Eikeri v Hanna Chang | 6-7,6-4,4-6 |
| ITF W25 Naples | 2021/05/05 21:50 | Maria Lourdes Carle v Hanna Chang | 6-4,2-6,1-6 |