Stadium: Court 5 Round: 62 Ground: Clay
| ITF W15 Bad Waltersdorf | 2021/08/26 11:20 | Katherine Westbury v Elena-Teodora Cadar | 2-6,2-6 |
| ITF W15 Bad Waltersdorf | 2021/08/25 08:35 | Katherine Westbury v Yui Chikaraishi | 6-7,6-2,6-3 |
| ITF W15 Bad Waltersdorf | 2021/08/24 07:00 | Katherine Westbury v Sara Suchankova | 4-6,6-2,10-7 |
| ITF W15 Bad Waltersdorf | 2021/08/22 09:00 | Katherine Westbury v Mila Masic | 6-2,6-4 |
| ITF W25 Oldenzaal | 2021/08/16 16:15 | Elena Malygina v Katherine Westbury | 6-3,7-6 |
| UTR Pro Tennis Series Adelaide Women | 2021/06/02 00:30 | Jade Otway v Katherine Westbury | 0-0 |
| UTR Pro Tennis Series Adelaide Women | 2021/06/01 02:30 | Sarah Munroe v Katherine Westbury | 1-6,0-6 |
| UTR Pro Tennis Series Adelaide Women | 2021/05/29 04:00 | Katherine Westbury v Belinda Woolcock | 1-6,2-3 |
| ITF W15 Erwitte | 2021/08/20 15:30 | Aneta Kucmova v Mara Guth | 7-5,6-2 |
| ITF W15 Erwitte | 2021/08/19 11:00 | Aneta Kucmova v Lilly Elida Haseth | 6-1,6-1 |
| ITF W15 Erwitte | 2021/08/18 14:05 | Elizabeth Halbauer v Aneta Kucmova | 6-2,4-6,1-6 |
| ITF W15 Erwitte | 2021/08/17 09:00 | Aneta Kucmova v Anna Ozerova | 6-1,6-2 |
| ITF W15 Erwitte | 2021/08/16 13:30 | Aneta Kucmova v Marie-Charlot Lonnemann | 6-0,6-0 |
| ITF W25 Radom | 2021/08/09 09:30 | Aneta Kucmova v Aneta Laboutkova | 3-6,4-6 |
| ITF W25 Radom | 2021/08/08 12:30 | Ewa Samberger v Aneta Kucmova | 3-6,1-6 |
| ITF W25 Otocec | 2021/05/24 15:20 | Aneta Kucmova v Iva Primorac | 4-6,3-6 |