Stadium: Court North 5 Round: 25 Ground: Hardcourt outdoor
| ITF W25 Austin | 2021/10/26 18:30 | Chieh-Yu Hsu v Blokhina, Alexis | 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 | Glatch, Alexa 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 |
| WTA Concord | 2021/08/01 19:20 | Chieh-Yu Hsu v En Shuo Liang | 1-6,6-4,2-6 |
| ITF W25 Evansville | 2021/07/14 20:00 | Elvina Kalieva v Chieh-Yu Hsu | 6-4,6-2 |
| ITF W25 Sumter | 2021/06/15 13:00 | Chieh-Yu Hsu v Douglas, Ellie | 6-3,3-6,5-10 |
| ITF W25 Sumter | 2021/06/14 14:30 | Chieh-Yu Hsu v Kissell, Joelle | 6-4,6-3 |
| ITF W15 Lubbock | 2021/09/29 17:45 | Tiphanie Lemaitre v Collins, Kylie | 3-6,6-4,6-3 |
| ITF W25 Fort Worth | 2021/09/20 14:00 | Collins, Kylie v Hart, Jada Myii | 2-6,4-6 |
| UTR Pro Tennis Series Atlanta Women | 2021/07/29 12:00 | Pitts, Maya v Collins, Kylie | 6-4,5-1 |
| UTR Pro Tennis Series Atlanta Women | 2021/07/28 15:00 | Collins, Kylie v Carolyn Ansari | 6-2,5-4 |
| UTR Pro Tennis Series Atlanta Women | 2021/07/27 13:00 | Collins, Kylie v Miller, Nell | 4-6,6-3,6-2 |
| UTR Pro Tennis Series Atlanta Women Qual | 2021/07/25 14:30 | Sydni Ratliff v Collins, Kylie | 6-7,3-6 |
| ITF W25 Evansville | 2021/07/14 16:15 | Abigail Forbes v Collins, Kylie | 3-6,7-6,6-2 |
| ITF W25 Evansville | 2021/07/13 14:00 | Katarina Jokic v Collins, Kylie | 3-6,3-6 |