| ITF W25 Madrid | 2021/06/14 08:00 | Lara Schmidt v Noelia Zeballos | 6-4,7-5 |
| ITF W25 Madrid | 2021/06/13 08:15 | Anastasiia Poplavska v Noelia Zeballos | 3-6,2-6 |
| ITF W25 Madrid | 2021/06/07 07:15 | Maria F Navarro Oliva v Noelia Zeballos | 6-1,3-6,10-6 |
| ITF W25 Madrid | 2021/06/06 12:00 | Leire De Ezcurra v Noelia Zeballos | 0-6,2-6 |
| ITF - W15 Antalya | 2021/04/29 09:20 | Noelia Zeballos v Polina Leykina | 2-6,1-6 |
| ITF - W15 Antalya | 2021/04/28 07:00 | Ilay Yoruk v Noelia Zeballos | 5-7,2-6 |
| ITF - W15 Antalya | 2021/04/22 07:00 | Noelia Zeballos v Valentina Ryser | 6-4,4-6,2-6 |
| ITF - W15 Antalya | 2021/04/21 09:20 | Noelia Zeballos v Duru Soke | 6-4,6-2 |
| ITF W15 Sibenik | 2021/05/16 10:00 | Krtenova, Sonja v Xenia Bandurowska | 3-6,2-6 |
| ITF - W15 Antalya | 2021/03/24 06:30 | Drahota Szabo, Dorka v Krtenova, Sonja | 6-4,6-1 |
| ITF - W15 Antalya | 2021/03/22 07:00 | Krtenova, Sonja v Anja Wildgruber | 1-6,6-3,10-6 |
| 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 |