Stadium: Court 3 Round: 25 Ground: Clay
| ITF W60 Olomouc | 2021/07/18 08:00 | Amanda Carreras v Anna Klasen | 6-2,6-1 |
| ITF W100 Contrexeville | 2021/07/05 11:00 | Anna Klasen v Margaux Rouvroy | 4-6,3-6 |
| UTR Pro Tennis Series Copenhagen Women | 2021/05/29 12:10 | Sofia Nami Samavati v Anna Klasen | 6-4,6-0 |
| UTR Pro Tennis Series Copenhagen Women | 2021/05/28 11:30 | Lou Adler v Anna Klasen | 4-6,2-6 |
| UTR Pro Tennis Series Copenhagen Women | 2021/05/27 14:10 | Martha-Elisa Stemann v Anna Klasen | 1-6,2-5 |
| UTR Pro Tennis Series Copenhagen Women | 2021/05/26 08:00 | Karoline Laursen v Anna Klasen | 2-6,1-6 |
| UTR Pro Tennis Series Copenhagen Women | 2021/05/24 11:30 | Anna Klasen v Zoe Du P Jensen | 6-2,5-1 |
| German Championship Women | 2020/12/10 12:00 | Nastasja Schunk v Anna Klasen | 6-2,6-1 |
| ITF W60 Vitoria-Gasteiz | 2021/07/11 16:55 | Rinon Okuwaki v Tamira Paszek | 6-1,6-4 |
| ITF W25 Palma del Rio | 2021/06/30 17:00 | Melanie Stokke v Tamira Paszek | 6-4,4-6,6-1 |
| ITF W15 Antalya | 2021/05/04 07:00 | Tamira Paszek v Irene Lavino | 6-3,4-6,7-10 |
| ITF W15 Antalya | 2021/05/03 07:00 | Fiona Ganz v Tamira Paszek | 6-3,4-6,4-10 |
| ITF W15 Antalya | 2021/04/30 07:30 | Tamira Paszek v Shiho Akita | 3-6,4-6 |
| ITF W15 Antalya | 2021/04/29 10:10 | Misaki Matsuda v Tamira Paszek | 6-2,3-6,2-6 |
| ITF W15 Antalya | 2021/04/28 08:35 | Maria Paulina Perez Garcia v Tamira Paszek | 6-3,0-6,0-6 |
| ITF W15 Antalya | 2021/04/27 07:00 | Mayuka Aikawa v Tamira Paszek | 5-7,3-6 |