Estádio: Court 1 Round: 54 Ground: Clay
| ITF - W25 Vigo | 2021/08/25 10:45 | Ekaterina Yashina v Haruka Kaji | 1-6,3-6 |
| ITF - W25 Ourense | 2021/08/17 08:00 | Ekaterina Yashina v Olivia Gadecki | 1-6,0-6 |
| WTA - Belgrado | 2021/07/27 13:15 | Tara Wurth v Ekaterina Yashina | 6-4,6-1 |
| WTA - Belgrado | 2021/07/26 09:00 | Shalimar Talbi v Ekaterina Yashina | 4-6,6-4,1-6 |
| ITF - W25 Kiev | 2021/07/21 13:10 | Diletta Cherubini v Ekaterina Yashina | 7-6,6-4 |
| ITF - W60 Nur-Sultã | 2021/07/14 13:00 | Anastasia Tikhonova v Ekaterina Yashina | 6-3,6-4 |
| ITF - W25 Nur-Sultã | 2021/07/07 07:40 | Anastasia Tikhonova v Ekaterina Yashina | 4-6,6-1,6-0 |
| WTA - Bad Homburg | 2021/06/21 16:40 | Angelique Kerber v Ekaterina Yashina | 6-1,6-1 |
| ITF - W25 Verbier | 2021/08/26 07:55 | Celine Naef v Francisca Jorge | 6-7,3-6 |
| ITF - W25 Verbier | 2021/08/25 11:15 | Jenny Duerst v Celine Naef | 3-6,6-2,4-6 |
| ITF - W25 Klosters | 2021/06/24 08:40 | Sina Herrmann v Celine Naef | 6-3,6-3 |
| ITF - W25 Klosters | 2021/06/23 09:30 | Celine Naef v Johana Markova | 6-0,6-3 |
| ITF - W25 Klosters | 2021/06/22 11:25 | Anna Gabric v Celine Naef | 6-1,2-6,1-6 |
| ITF - W15 Antália | 2021/01/29 06:30 | Cristina Dinu v Celine Naef | 6-2,6-4 |
| ITF - W15 Antália | 2021/01/28 06:00 | Lia Karatancheva v Celine Naef | 4-6,3-6 |