Stadium: Centre Court Versmold Round: 27 Ground: Clay
| ITF W60 Versmold | 2021/07/29 15:30 | Hogenkamp, Richel v Zaja, Anna | 6-7,2-6 |
| ITF W60 Versmold | 2021/07/28 16:35 | Zaja, Anna v Sofia Shapatava | 6-1,3-6,6-1 |
| ITF W60 Olomouc | 2021/07/23 08:00 | Panna Udvardy v Zaja, Anna | 6-2,6-2 |
| ITF W60 Olomouc | 2021/07/22 10:45 | Zaja, Anna v Simona Waltert | 7-6,6-1 |
| ITF W60 Olomouc | 2021/07/20 11:45 | Zaja, Anna v Kolodziejova, Miriam | 7-5,7-5 |
| WTA Hamburg | 2021/07/08 14:15 | Zaja, Anna v Elena-Gabriela Ruse | 2-6,2-6 |
| WTA Hamburg | 2021/07/07 11:30 | Zaja, Anna v Viktoriya Tomova | 0-6,6-3,7-5 |
| WTA Hamburg | 2021/07/06 08:00 | Zaja, Anna v Gerlach, Katharina | 7-5,3-6,6-4 |
| ITF W60 Versmold | 2021/07/29 15:10 | Ferrando, Cristiana v Arruabarrena, L. | 6-1,6-2 |
| ITF W60 Versmold | 2021/07/27 10:55 | Ferrando, Cristiana v Nicole Rivkin | 6-1,6-3 |
| ITF W60 Versmold | 2021/07/26 12:50 | Ferrando, Cristiana v Rutuja Bhosale | 6-4,6-1 |
| ITF W60 Versmold | 2021/07/25 11:25 | Ferrando, Cristiana v Oleksandra Oliynykova | 6-2,3-6,10-6 |
| ITF W60 Olomouc | 2021/07/18 10:00 | Ferrando, Cristiana v Tara Wurth | 3-6,7-5,11-13 |
| ITF W60 Amstelveen | 2021/07/10 08:50 | Yana Morderger v Ferrando, Cristiana | 4-6,6-1,6-4 |
| ITF W60 Amstelveen | 2021/07/09 12:40 | Ferrando, Cristiana v Haas, Barbara | 6-3,5-7,6-4 |
| ITF W60 Amstelveen | 2021/07/08 14:25 | Rosca, Ioana Loredana v Ferrando, Cristiana | 4-6,3-6 |