Stadium: Centre Court Versmold Round: 26 Ground: Clay
| ITF Women Croissy-Beaubourg | 2017/03/31 15:00 | Anna Zaja v Richel Hogenkamp | 6-3,3-6,2-6 |
| ITF W60 Versmold | 2021/07/28 11:00 | Richel Hogenkamp v Joelle Lilly Sophie Steur | 6-4,7-6 |
| ITF W60 Olomouc | 2021/07/21 12:55 | Paula Ormaechea v Richel Hogenkamp | 6-4,6-1 |
| ITF W60 Biarritz | 2021/07/15 09:00 | Leolia Jeanjean v Richel Hogenkamp | 6-2,6-4 |
| ITF W60 Biarritz | 2021/07/13 10:55 | Emma Navarro v Richel Hogenkamp | 4-6,3-6 |
| ITF W60 Amstelveen | 2021/07/07 12:05 | Quirine Lemoine v Richel Hogenkamp | 5-7,6-2,6-0 |
| ITF W25 The Hague | 2021/07/03 08:00 | Panna Udvardy v Richel Hogenkamp | 6-3,7-5 |
| ITF W25 The Hague | 2021/07/02 09:30 | Richel Hogenkamp v Stephanie Wagner | 6-4,3-6,6-2 |
| ITF W25 The Hague | 2021/07/01 16:00 | Richel Hogenkamp v Martina Caregaro | 6-4,6-2 |
| ITF W60 Versmold | 2021/07/28 16:35 | Anna Zaja v Sofia Shapatava | 6-1,3-6,6-1 |
| ITF W60 Olomouc | 2021/07/23 08:00 | Panna Udvardy v Anna Zaja | 6-2,6-2 |
| ITF W60 Olomouc | 2021/07/22 10:45 | Anna Zaja v Simona Waltert | 7-6,6-1 |
| ITF W60 Olomouc | 2021/07/20 11:45 | Anna Zaja v Miriam Kolodziejova | 7-5,7-5 |
| WTA Hamburg | 2021/07/08 14:15 | Anna Zaja v Elena-Gabriela Ruse | 2-6,2-6 |
| WTA Hamburg | 2021/07/07 11:30 | Anna Zaja v Viktoriya Tomova | 0-6,6-3,7-5 |
| WTA Hamburg | 2021/07/06 08:00 | Anna Zaja v Katharina Gerlach | 7-5,3-6,6-4 |
| WTA Hamburg | 2021/07/05 08:00 | Magdalena Frech v Anna Zaja | 0-0 |