Stadium: Court 5 Round: 54 Ground: Hardcourt outdoor
| ITF W25 Pune | 2021/12/21 04:00 | Hiroko Kuwata v Chihiro Muramatsu | 5-7,3-6 |
| ITF W60 Las Vegas | 2021/10/07 17:00 | Hiroko Kuwata v Emina Bektas | 3-6,6-7 |
| ITF W60 Las Vegas | 2021/10/06 18:35 | Holly Verner v Hiroko Kuwata | 0-6,1-6 |
| ITF W60 Berkeley | 2021/09/29 17:00 | Kurumi Nara v Hiroko Kuwata | 7-6,7-5 |
| ITF W60 Berkeley | 2021/09/28 19:05 | Hiroko Kuwata v Chanelle Van Nguyen | 6-3,7-5 |
| ITF W60 Berkeley | 2021/09/27 18:15 | Hiroko Kuwata v Kimmi Hance | 3-6,7-5,10-6 |
| ITF W25 Johannesburg | 2021/09/21 12:05 | Hiroko Kuwata v Suzan Lamens | 1-6,2-6 |
| ITF W60 Caldas da Rainha | 2021/09/13 11:00 | Eden Silva v Hiroko Kuwata | 1-6,7-6,10-6 |
| UTR Pro Tennis Series Barcelona Women | 2021/12/11 08:00 | Laura Svatikova v Katherine Westbury | 3-2 |
| UTR Pro Tennis Series Barcelona Women | 2021/12/10 08:00 | Katherine Westbury v Sapfo Sakellaridi | 2-6,3-6 |
| UTR Pro Tennis Series Barcelona Women | 2021/12/08 13:30 | Katherine Westbury v Almudena S-L Fernandez | 6-3,6-2 |
| UTR Pro Tennis Series Barcelona Women | 2021/12/07 10:30 | Katherine Westbury v Andrea Gamiz | 6-7,4-5 |
| UTR Pro Tennis Series Barcelona Women | 2021/12/06 13:30 | Andrea Burguete Beltran v Katherine Westbury | 2-6,1-6 |
| ITF W15 Monastir | 2021/11/09 12:00 | Anouk Koevermans v Katherine Westbury | 6-4,6-3 |
| ITF W15 Monastir | 2021/11/04 10:50 | Luksika Kumkhum v Katherine Westbury | 7-6,6-4 |
| ITF W15 Monastir | 2021/11/02 08:30 | Katherine Westbury v Alessandra Simone | 6-4,6-1 |