Stadium: Court 8 Round: 25 Ground: Hardcourt outdoor
| ITF W15 Cancun | 2021/11/23 14:00 | Vivien Sandberg v Maria F Navarro Oliva | 6-7,1-6 |
| ITF W15 Cancun | 2021/11/22 14:00 | Vivien Sandberg v Lucia Gonzales | 6-1,6-1 |
| ITF W15 Norman | 2021/10/13 19:45 | Vivien Sandberg v Kianah Motosono | 4-6,5-7 |
| ITF W15 Lubbock | 2021/09/28 15:00 | Alicia Herrero Linana v Vivien Sandberg | 6-0,6-3 |
| ITF W15 Lubbock | 2021/09/27 15:00 | Emma Lella v Vivien Sandberg | 4-6,3-6 |
| ITF W25 Oldenzaal | 2021/08/16 13:45 | Erika Sema v Vivien Sandberg | 6-0,6-1 |
| ITF W15 Knokke | 2021/07/26 12:30 | Berta Bonardi v Vivien Sandberg | 6-0,6-0 |
| ITF W15 Antalya | 2021/06/29 06:30 | Vivien Sandberg v Jacqueline Nylander Altelius | 2-6,2-6 |
| ITF W25 Naples | 2021/11/17 14:30 | Junri Namigata v Chieh-Yu Hsu | 0-6,6-0,6-2 |
| ITF W25 Daytona Beach | 2021/11/10 18:30 | Chieh-Yu Hsu v Kennedy Shaffer | 4-6,4-6 |
| ITF W25 Orlando | 2021/11/03 19:05 | Maria Jose Portillo Ramirez v Chieh-Yu Hsu | 6-2,6-7,6-1 |
| ITF W25 Austin | 2021/10/27 18:55 | Chieh-Yu Hsu v Kylie Collins | 4-6,3-6 |
| ITF W25 Austin | 2021/10/26 18:30 | Chieh-Yu Hsu v Alexis Blokhina | 6-3,6-1 |
| ITF W25 Austin | 2021/10/25 17:00 | Chieh-Yu Hsu v Dylan Cline | 6-2,6-1 |
| WTA Cleveland | 2021/08/21 17:40 | Alexa Glatch v Chieh-Yu Hsu | 6-2,6-1 |
| ITF W100 Landisville | 2021/08/09 15:35 | Beatriz Haddad Maia v Chieh-Yu Hsu | 6-1,6-0 |