Stadium: Court 1 Round: 28 Ground: Hardcourt outdoor
| ITF W15 Sozopol | 2021/09/17 08:35 | Kolar, Nastja v Defne Cirpanli | 6-1,6-3 |
| ITF W15 Sozopol | 2021/09/16 12:20 | Kolar, Nastja v Duca, Gabriela | 6-4,4-6,6-3 |
| ITF W15 Sozopol | 2021/09/14 09:00 | Kolar, Nastja v Yoana Moneva | 6-0,6-0 |
| UTR Pro Tennis Series Sofia Women | 2021/09/02 10:00 | Martha Matoula v Kolar, Nastja | 6-4,1-1 |
| UTR Pro Tennis Series Sofia Women | 2021/09/01 08:00 | Maja Radenkovic v Kolar, Nastja | 6-2,0-6,0-6 |
| UTR Pro Tennis Series Sofia Women | 2021/08/31 09:30 | Shkumbova, Mirela v Kolar, Nastja | 2-6,6-2,1-5 |
| ITF W25 Braunschweig | 2021/08/26 09:00 | Kolar, Nastja v Katharina Hobgarski | 2-6,4-6 |
| ITF W25 Braunschweig | 2021/08/25 09:00 | Helene Pellicano v Kolar, Nastja | 0-6,3-6 |
| ITF W15 Sozopol | 2021/09/17 07:00 | Dia Evtimova v Vanessa I G Popa Teiusanu | 6-3,6-1 |
| ITF W15 Sozopol | 2021/09/16 10:20 | Dia Evtimova v Anna Ozerova | 6-4,6-4 |
| ITF W15 Sozopol | 2021/09/14 13:25 | Dia Evtimova v Lia Karatancheva | 6-7,7-5,6-4 |
| ITF W25 Vienna | 2021/08/30 11:45 | Mihalikova, Tereza v Dia Evtimova | 6-2,5-7,4-10 |
| ITF W25 Vienna | 2021/08/29 14:00 | Vargova, Vanda v Dia Evtimova | 1-6,7-6,7-10 |
| ITF W25 Vienna | 2021/08/29 10:00 | Ana Mukic v Dia Evtimova | 2-6,3-6 |
| ITF W60 San Bartolome De Tirajana Qual | 2021/08/15 13:45 | Dia Evtimova v Victoria Jimenez Kasintseva | 3-6,4-6 |
| ITF W60 San Bartolome De Tirajana | 2021/08/10 08:30 | Yvonne Cavalle-Reimers v Dia Evtimova | 6-0,6-2 |