| UTR Pro Tennis Series Ricany Women | 2021/06/22 13:00 | Kolar, Nastja v Lapko, Vera | 7-6,5-4 |
| UTR Pro Tennis Series Ricany Women | 2021/06/21 09:30 | Katerina Filip v Kolar, Nastja | 1-6,2-5 |
| ITF W25 Madrid | 2021/06/09 13:00 | Kolar, Nastja v Jessica Pieri | 6-1,2-6,6-7 |
| ITF W25 Otocec | 2021/06/01 08:00 | Raluca Georgiana Serban v Kolar, Nastja | 6-4,7-5 |
| ITF W25 Otocec | 2021/05/31 08:00 | Makoric, Maja v Kolar, Nastja | 4-6,2-6 |
| ITF W25 Otocec | 2021/05/25 08:00 | Ferrando, Cristiana v Kolar, Nastja | 6-4,4-6,10-1 |
| ITF W15 Tbilisi | 2021/05/20 05:55 | Howard, Zoe v Kolar, Nastja | 4-6,6-3,7-5 |
| ITF W15 Tbilisi | 2021/05/19 06:00 | Pulchartova, Laetitia v Kolar, Nastja | 2-6,0-6 |
| UTR Pro Tennis Series Ricany Women | 2021/06/21 09:30 | Denisa Pospisilova v Kareisova, Ludmila | 6-0,6-5 |
| ITF - W15 Antalya | 2021/03/30 07:00 | Ekaterina Ovcharenko v Kareisova, Ludmila | 6-3,2-6,10-7 |
| ITF - W15 Antalya | 2021/03/29 07:00 | Akler, Yarden v Kareisova, Ludmila | 6-3,2-6,6-10 |
| ITF - W15 Antalya | 2021/03/28 09:00 | Kareisova, Ludmila v Anastasiia Poplavska | 6-0,1-6,13-11 |
| ITF - W15 Antalya | 2021/03/21 07:00 | Lucia Cortez Llorca v Kareisova, Ludmila | 6-2,4-6,10-1 |
| ITF - W15 Antalya | 2021/03/14 07:00 | Ruppert, Lena v Kareisova, Ludmila | 5-7,6-3,10-8 |
| ITF - W15 Manacor | 2021/01/31 12:00 | Ardidiacono, Frederica v Kareisova, Ludmila | 7-5,6-0 |
| ITF - W15 Manacor | 2021/01/26 11:00 | Kareisova, Ludmila v Rossi, Federica | 3-6,1-6 |