Stadium: Court 21 Round: 62 Ground: Clay
| ITF - W15 Héraklion | 2020/11/01 10:00 | Anja Wildgruber v Krtenova, Sonja | 7-5,6-4 |
| ITF - W15 Antalya | 2021/03/21 07:00 | Veleva, Beloslava v Krtenova, Sonja | 6-7,2-6 |
| ITF - W15 Antalya | 2021/03/14 07:00 | Tina Nadine Smith v Krtenova, Sonja | 6-4,6-0 |
| ITF - W15 Héraklion | 2020/11/15 08:00 | Kimchi, Shavit v Krtenova, Sonja | 4-6,6-2,11-9 |
| ITF - W15 Héraklion | 2020/11/11 12:00 | Krtenova, Sonja v Irene Lavino | 4-6,6-7 |
| ITF - W15 Héraklion | 2020/11/09 08:00 | Elena-Teodora Cadar v Krtenova, Sonja | 4-6,6-4,5-10 |
| ITF - W15 Héraklion | 2020/11/01 10:00 | Anja Wildgruber v Krtenova, Sonja | 7-5,6-4 |
| ITF - W15 Héraklion | 2020/10/25 08:00 | Dshandshgava, Irina v Krtenova, Sonja | 6-4,0-6,10-7 |
| ITF W15 Milovice | 2019/11/25 10:00 | Krtenova, Sonja v Pospelova, Aleksandra | 1-6,3-6 |
| ITF - W15 Antalya | 2021/03/21 07:00 | Tatyana Nikolenko v Anja Wildgruber | 6-7,1-6 |
| ITF - W15 Antalya | 2021/03/15 08:00 | Jasmijn Gimbrere v Anja Wildgruber | 6-2,7-6 |
| ITF - W15 Antalya | 2021/03/14 07:00 | Stefanie Auer v Anja Wildgruber | 5-7,3-6 |
| ITF - W15 Antalya | 2021/02/07 06:00 | Honoka Kobayashi v Anja Wildgruber | 7-6,4-6,10-6 |
| ITF - W15 Antalya | 2021/02/03 12:20 | Anja Wildgruber v Miriam Bulgaru | 5-7,2-6 |
| ITF - W15 Antalya | 2021/02/03 07:00 | Himeno Sakatsume v Anja Wildgruber | 4-6,2-6 |
| ITF - W15 Antalya | 2021/02/02 07:00 | Iordache, Alexandra v Anja Wildgruber | 2-6,1-6 |
| ITF - W15 Antalya | 2021/02/01 11:00 | Samudio, Antonia v Anja Wildgruber | 4-6,3-6 |