Stadium: Court 1 Round: 26 Ground: Hardcourt indoor
| WTA Luxembourg | 2021/09/11 17:50 | Tereza Smitkova v Natalia Vikhlyantseva | 6-4,6-0 |
| ITF W60 Montreux | 2021/09/10 15:00 | Cagla Buyukakcay v Natalia Vikhlyantseva | 6-4,6-1 |
| ITF W60 Montreux | 2021/09/09 17:40 | Simona Waltert v Natalia Vikhlyantseva | 6-7,1-6 |
| ITF W60 Montreux | 2021/09/08 07:30 | Camilla Rosatello v Natalia Vikhlyantseva | 2-6,1-6 |
| US Open Women | 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 |
| ITF W60 Nur-Sultan | 2021/07/12 05:30 | Tatyana Nikolenko v Anastasia Sukhotina | 2-6,6-2,5-10 |
| ITF W15 Shymkent | 2021/06/01 06:35 | Daria Lodikova v Tatyana Nikolenko | 7-5,6-1 |
| ITF W15 Shymkent | 2021/05/27 06:30 | Zhibek Kulambayeva v Tatyana Nikolenko | 7-5,6-3 |
| ITF W15 Shymkent | 2021/05/26 08:25 | Tatyana Nikolenko v Evgeniya Burdina | 6-3,6-4 |
| ITF W15 Shymkent | 2021/04/14 10:45 | Anna Ureke v Tatyana Nikolenko | 6-3,3-6,6-0 |
| ITF W15 Shymkent | 2021/04/07 08:05 | Alina Silich v Tatyana Nikolenko | 6-0,6-3 |
| ITF W15 Antalya | 2021/03/21 07:00 | Tatyana Nikolenko v Anja Wildgruber | 6-7,1-6 |
| ITF W15 Antalya | 2021/03/14 07:00 | Maria Krupenina v Tatyana Nikolenko | 4-6,7-5,10-7 |