| UTR Pro Tennis Series California Women | 2021/06/14 21:30 | Vivian Ovrootsky v Kelly Keller | 6-2,6-2 |
| UTR Pro Tennis Series California Women | 2021/06/13 15:00 | Vivian Ovrootsky v Zoe Hammond | 6-3,6-1 |
| UTR Pro Tennis Series Nevada Women | 2021/05/30 15:00 | Vivian Ovrootsky v Marcela Zacarias | 2-6,7-6,3-6 |
| UTR Pro Tennis Series Nevada Women | 2021/05/29 15:00 | Kayla Day v Vivian Ovrootsky | 2-6,6-1,6-7 |
| UTR Pro Tennis Series Nevada Women | 2021/05/28 21:00 | Vivian Ovrootsky v Jeanette Mireles | 6-1,6-1 |
| UTR Pro Tennis Series Nevada Women | 2021/05/27 15:00 | Vivian Ovrootsky v Rebecca Lynn | 6-2,6-3 |
| UTR Pro Tennis Series Nevada Women | 2021/05/26 18:00 | Alexandra Pisareva v Vivian Ovrootsky | 2-6,6-4,1-5 |
| UTR Pro Tennis Series Nevada Women | 2021/05/25 16:30 | Karolina Jacobson v Vivian Ovrootsky | 2-6,2-5 |
| UTR Pro Tennis Series California Women | 2021/06/14 20:00 | Zoe Hammond v Klara Kosan | 3-6,3-6 |
| UTR Pro Tennis Series California Women | 2021/06/13 19:30 | Klara Kosan v Kelly Keller | 3-6,6-6 |
| UTR Pro Tennis Series Nevada Women | 2021/05/22 19:30 | Klara Kosan v Kendall Kovick | 5-7,6-4,3-6 |
| UTR Pro Tennis Series Nevada Women | 2021/05/21 18:30 | Elizaveta Volodko v Klara Kosan | 6-4,7-5 |
| UTR Pro Tennis Series Nevada Women | 2021/05/20 16:30 | Jeanette Mireles v Klara Kosan | 6-4,0-6,2-6 |
| UTR Pro Tennis Series Nevada Women | 2021/05/19 18:00 | Camille Kiss v Klara Kosan | 7-5,6-5 |
| UTR Pro Tennis Series Nevada Women | 2021/05/17 18:00 | Karolina Jacobson v Klara Kosan | 6-4,6-6 |
| ITF W60 Templeton | 2019/09/25 22:05 | Klara Kosan v Elysia Bolton | 1-6,5-7 |