Stadium: Court 4 Round: 44 Ground: Hardcourt outdoor
| ITF W15 Antalya | 2021/10/10 07:00 | Sonja Krtenova v Anastasiya Zaparyniuk | 6-3,2-6,6-10 |
| UTR Pro Tennis Series Ricany Women | 2021/09/22 07:30 | Sonja Krtenova v Denisa Hanakova | 0-6,3-6 |
| UTR Pro Tennis Series Ricany Women | 2021/09/21 09:00 | Sonja Krtenova v Tereza Polanska | 6-4,7-6 |
| UTR Pro Tennis Series Ricany Women | 2021/09/20 09:00 | Barbora Michalkova v Sonja Krtenova | 6-2,5-3 |
| UTR Pro Tennis Series Ricany Women | 2021/09/19 08:30 | Sonja Krtenova v Kristina Zamecnikova | 3-6,4-5 |
| ITF W25 Jablonec nad Nisou | 2021/09/13 09:00 | Anastasia Detiuc v Sonja Krtenova | 2-6,6-3,10-6 |
| ITF W25 Frydek Mistek | 2021/09/05 08:00 | Veronika Erjavec v Sonja Krtenova | 6-4,6-1 |
| ITF W60 Prague | 2021/08/29 09:30 | Lena Papadakis v Sonja Krtenova | 6-0,6-1 |
| UTR Pro Tennis Series Plovdiv Women | 2021/12/19 07:30 | Gabriela Duca v Victoria Borodulina | 2-6,4-5 |
| UTR Pro Tennis Series Plovdiv Women | 2021/12/18 07:30 | Gabriela Duca v Velizara Fileva | 6-3,5-1 |
| UTR Pro Tennis Series Plovdiv Women | 2021/12/15 10:30 | Gabriela Duca v Ekaterina Vl. Makarova | 6-7,1-6 |
| UTR Pro Tennis Series Plovdiv Women | 2021/12/14 07:30 | Gabriela Duca v Nastja Kolar | 6-3,1-6,5-7 |
| UTR Pro Tennis Series Plovdiv Women | 2021/12/13 10:30 | Gabriela Duca v Alexandra Iordache | 6-2,6-2 |
| ITF W15 Sharm El Sheikh | 2021/11/17 13:05 | Priska Madelyn Nugroho v Gabriela Duca | 6-1,6-1 |
| ITF W15 Sharm El Sheikh | 2021/11/10 14:10 | Anastasia Sukhotina v Gabriela Duca | 6-2,7-6 |
| ITF W15 Sharm El Sheikh | 2021/11/09 08:00 | Gabriela Duca v Lena Greiner | 6-2,6-3 |