| UTR Pro Tennis Series California Women | 2021/06/17 18:00 | Karolina Jacobson v Kami Osher | 3-6,6-3,3-6 |
| UTR Pro Tennis Series California Women | 2021/06/16 19:30 | Karolina Jacobson v Veronika Miroshnichenko | 1-6,1-5 |
| UTR Pro Tennis Series California Women | 2021/06/15 15:00 | Karolina Jacobson v Mayra Jovic | 4-6,6-2,7-6 |
| UTR Pro Tennis Series California Women | 2021/06/14 16:30 | Karolina Jacobson v Eryn Cayetano | 4-6,1-6 |
| UTR Pro Tennis Series Nevada Women | 2021/05/28 19:30 | Karolina Jacobson v Rebecca Lynn | 7-5,2-6,2-6 |
| UTR Pro Tennis Series Nevada Women | 2021/05/26 18:00 | Karolina Jacobson v Jeanette Mireles | 0-6,1-5 |
| UTR Pro Tennis Series Nevada Women | 2021/05/25 16:30 | Karolina Jacobson v Vivian Ovrootsky | 2-6,2-5 |
| UTR Pro Tennis Series Nevada Women | 2021/05/24 19:30 | Alexandra Pisareva v Karolina Jacobson | 6-4,0-6,2-5 |
| ITF W15 Lubbock | 2019/09/16 15:00 | Gianna Pielet v Sabina Machalova | 4-6,6-2,10-5 |
| ITF W15 Lubbock | 2019/09/15 14:00 | Sabina Machalova v Taylor Ng | 6-4,6-4 |
| ITF W15 Olomouc | 2019/08/08 08:00 | Sabina Machalova v Jana Jablonovska | 1-6,4-6 |
| ITF W15 Olomouc | 2019/08/07 09:25 | Anastasia Shaulskaya v Sabina Machalova | 0-6,2-6 |
| ITF W15 Olomouc | 2019/08/06 09:55 | Sabina Machalova v Nikola Novotna | 2-6,6-3,11-9 |
| ITF W15 Olomouc | 2019/08/05 08:00 | Izabela Gabriela Novac v Sabina Machalova | 3-6,7-6,5-10 |
| ITF W25 Olomouc | 2019/07/15 08:00 | Sabina Machalova v Anastasia Vdovenco | 6-0,3-6,5-10 |
| ITF W25 Prerov | 2019/06/10 08:00 | Amanda Carreras v Sabina Machalova | 6-1,3-6,10-5 |