Stadium: Court 1 Round: 25 Ground: Clay
| ITF - Collonge-Bellerive W60 | 2021/09/02 12:25 | Beatriz Haddad Maia v Simona Waltert | 6-1,4-6,6-3 |
| ITF - Collonge-Bellerive W60 | 2021/09/01 11:25 | Simona Waltert v Amina Anshba | 6-2,6-1 |
| ITF - Prerov W60 | 2021/08/27 11:25 | Simona Waltert v Linda Noskova | 3-6,3-6 |
| ITF - Prerov W60 | 2021/08/26 07:55 | Simona Waltert v Daniela Vismane | 7-5,4-6,6-2 |
| ITF - Prerov W60 | 2021/08/25 11:25 | Simona Waltert v Alice Rame | 6-3,6-3 |
| ITF - Olomouc W60 | 2021/07/22 10:45 | Anna Zaja v Simona Waltert | 7-6,6-1 |
| ITF - Olomouc W60 | 2021/07/21 13:10 | Monika Kilnarova v Simona Waltert | 0-6,7-5,3-6 |
| WTA Lausanne | 2021/07/12 10:00 | Zarina Diyas v Simona Waltert | 6-4,6-4 |
| ITF - Montreux W60 | 2021/09/07 08:50 | Tatiana Pieri v Federica Arcidiacono | 7-5,2-6,10-6 |
| ITF - Marbella W25 | 2021/09/01 10:05 | Marina Melnikova v Tatiana Pieri | 7-5,7-5 |
| ITF - Verbier W25 | 2021/08/24 07:50 | Sada Nahimana v Tatiana Pieri | 6-1,6-2 |
| ITF - Kyiv W25 | 2021/07/21 08:00 | Anastasia Zarycka v Tatiana Pieri | 6-4,6-4 |
| ITF - Biarritz W60 | 2021/07/14 09:25 | Tatiana Pieri v Daniela Vismane | 1-6,6-4,0-6 |
| ITF - Biarritz W60 | 2021/07/13 08:00 | Tatiana Pieri v Emeline Dartron | 6-3,6-3 |
| ITF - Biarritz W60 | 2021/07/12 09:55 | Tatiana Pieri v Sophia Biolay | 6-0,2-6,10-8 |
| ITF - Haga W25 | 2021/06/30 10:00 | Tatiana Pieri v Valentini Grammatikopoulou | 2-6,1-6 |