Stadium: Court 3 Round: 25 Ground: Clay
| ITF W60 Saint-Gaudens | 2021/05/11 11:00 | Anna Bondar v Darya Astakhova | 6-0,6-2 |
| ITF W60 Saint-Gaudens | 2021/05/10 08:55 | Anna Bondar v Yana Morderger | 6-4,7-5 |
| ITF W25 Prague | 2021/05/07 09:00 | Jule Niemeier v Anna Bondar | 2-6,6-3,6-1 |
| ITF W25 Prague | 2021/05/06 08:00 | Anna Bondar v Barbara Haas | 6-4,3-6,6-4 |
| ITF W25 Prague | 2021/05/05 08:00 | Shalimar Talbi v Anna Bondar | 3-6,2-6 |
| ITF W25 Prague | 2021/05/03 07:55 | Anna Bondar v Nina Potocnik | 1-6,6-2,10-7 |
| ITF W25 Prague | 2021/05/02 12:00 | Anna Bondar v Aneta Laboutkova | 7-5,6-3 |
| ITF W60 Zagreb | 2021/04/25 08:00 | Tara Wurth v Anna Bondar | 7-5,6-7,10-7 |
| ITF W60 Saint-Gaudens | 2021/05/11 13:00 | Katharina Gerlach v Vlada Koval | 6-1,6-4 |
| ITF W60 Saint-Gaudens | 2021/05/10 15:30 | Katharina Gerlach v Estelle Cascino | 6-3,6-4 |
| ITF W25 Oeiras | 2021/05/01 09:25 | Katharina Gerlach v Maria G Carrasco | 3-6,3-6 |
| ITF W25 Oeiras | 2021/04/30 13:20 | Malene Helgo v Katharina Gerlach | 2-6,4-6 |
| ITF W25 Oeiras | 2021/04/29 10:00 | Amandine Hesse v Katharina Gerlach | 1-6,2-6 |
| ITF W25 Oeiras | 2021/04/28 12:10 | Ekaterina Makarova v Katharina Gerlach | 4-6,6-2,3-6 |
| WTA Stuttgart | 2021/04/18 12:30 | Stefanie Voegele v Katharina Gerlach | 6-3,6-1 |
| WTA Stuttgart | 2021/04/17 15:55 | Katharina Gerlach v Laura Ioana Paar | 6-3,7-5 |