Stadium: Central Round: 26 Ground: Clay
| ITF W60 - Montreux | 2021/09/08 15:10 | Simona Waltert v Tatiana Pieri | 7-6,6-2 |
| ITF W60 - Collonge-Bellerive | 2021/09/02 12:25 | Beatriz Haddad Maia v Simona Waltert | 6-1,4-6,6-3 |
| ITF W60 - Collonge-Bellerive | 2021/09/01 11:25 | Simona Waltert v Amina Anshba | 6-2,6-1 |
| ITF W60 - Přerov | 2021/08/27 11:25 | Simona Waltert v Linda Noskova | 3-6,3-6 |
| ITF W60 - Přerov | 2021/08/26 07:55 | Simona Waltert v Daniela Vismane | 7-5,4-6,6-2 |
| ITF W60 - Přerov | 2021/08/25 11:25 | Simona Waltert v Alice Rame | 6-3,6-3 |
| ITF W60 - Olomouc | 2021/07/22 10:45 | Anna Zaja v Simona Waltert | 7-6,6-1 |
| ITF W60 - Olomouc | 2021/07/21 13:10 | Monika Kilnarova v Simona Waltert | 0-6,7-5,3-6 |
| ITF W60 - Montreux | 2021/09/08 07:30 | Camilla Rosatello v Natalia Vikhlyantseva | 2-6,1-6 |
| US Open - Dames | 2021/08/25 18:25 | Natalia Vikhlyantseva v Anna Kalinskaya | 0-6,2-6 |
| WTA - Palermo | 2021/07/22 14:00 | Natalia Vikhlyantseva v Astra Sharma | 4-6,5-7 |
| WTA - Palermo | 2021/07/19 17:45 | Leonie Kung v Natalia Vikhlyantseva | 3-6,2-6 |
| WTA - Lausanne | 2021/07/16 16:15 | Maryna Zanevska v Natalia Vikhlyantseva | 7-5,6-4 |
| WTA - Lausanne | 2021/07/15 09:00 | Natalia Vikhlyantseva v Jasmine Paolini | 6-1,6-3 |
| WTA - Lausanne | 2021/07/12 13:30 | Katarina Zavatska v Natalia Vikhlyantseva | 6-4,4-6,0-6 |
| WTA - Bastad | 2021/07/05 12:20 | Kateryna Baindl v Natalia Vikhlyantseva | 6-2,6-4 |