Stadium: Clay 2 Round: 44 Ground: Clay
| ITF W15 Heraklion | 2020/03/10 08:00 | Anna Klasen v Ema Bolebruchova | 6-1,6-3 |
| ITF W15 Heraklion | 2020/03/01 08:30 | Laura Svatikova v Anna Klasen | 7-5,6-3 |
| ITF W25 Altenkirchen | 2020/02/23 17:30 | Fabienne Gettwart v Anna Klasen | 5-7,6-4,10-8 |
| ITF W15 Stuttgart | 2020/01/21 13:15 | Julia Terziyska v Anna Klasen | 6-3,5-7,6-3 |
| ITF W15 Stuttgart | 2020/01/20 10:00 | Anna Klasen v Enola Chiesa | 6-0,6-2 |
| ITF W15 Stuttgart | 2020/01/19 09:00 | Anna Klasen v Adelina Krueger | 6-1,6-0 |
| ITF W15 Heraklion | 2019/11/27 11:05 | Anna Klasen v Svenja Ochsner | 2-6,5-7 |
| ITF W25 Santa Margherita | 2019/09/30 12:00 | Anna Klasen v Angelica Moratelli | 1-6,0-6 |
| ITF W15 Heraklion | 2020/03/10 08:00 | Caitlyn Portela v Sem Wensveen | 1-6,2-6 |
| ITF W15 Antalya | 2020/02/26 08:55 | Sem Wensveen v Nina Potocnik | 0-6,1-6 |
| ITF W15 Antalya | 2020/02/18 07:00 | Sem Wensveen v Aurora Zantedeschi | 4-6,6-4,1-6 |
| ITF W15 Heraklion | 2019/11/13 08:00 | Sem Wensveen v Melania Delai | 6-7,4-6 |
| ITF W15 Heraklion | 2019/11/12 07:30 | Zoziya Kardava v Sem Wensveen | 3-6,6-4,10-6 |
| ITF W15 Heraklion | 2019/11/10 07:30 | Helena Stevic v Sem Wensveen | 3-6,4-6 |
| ITF W15 Heraklion | 2019/11/07 09:25 | Barbora Miklova v Sem Wensveen | 6-1,6-3 |
| ITF W15 Heraklion | 2019/11/06 08:20 | Izabela Gabriela Novac v Sem Wensveen | 0-6,3-6 |