| UTR Pro Tennis Series Barcelona Women | 2021/12/07 10:30 | Westbury, Katherine v Andrea Gamiz | 6-7,4-5 |
| UTR Pro Tennis Series Barcelona Women | 2021/12/06 13:30 | Burguete Beltran, Andrea v Westbury, Katherine | 2-6,1-6 |
| ITF - W15 Monastir | 2021/11/09 12:00 | Anouk Koevermans v Westbury, Katherine | 6-4,6-3 |
| ITF - W15 Monastir | 2021/11/04 10:50 | Luksika Kumkhum v Westbury, Katherine | 7-6,6-4 |
| ITF - W15 Monastir | 2021/11/02 08:30 | Westbury, Katherine v Simone, Alessandra | 6-4,6-1 |
| ITF - W15 Monastir | 2021/11/01 10:30 | Westbury, Katherine v Selya Rakki | 6-0,6-1 |
| ITF - W15 Monastir | 2021/10/31 13:30 | Westbury, Katherine v Sarah Iliev | 6-4,6-3 |
| ITF W25 Istanbul | 2021/10/24 10:55 | Arlinda Rushiti v Westbury, Katherine | 6-3,7-6 |
| UTR Pro Tennis Series Barcelona Women | 2021/12/06 14:15 | Sapfo Sakellaridi v Almudena S-L Fernandez | 6-3,6-3 |
| ITF W15 Lousada | 2021/11/30 11:20 | Almudena S-L Fernandez v Campino, Mariana | 3-6,3-6 |
| ITF W15 Lousada | 2021/11/23 10:00 | Himeno Sakatsume v Almudena S-L Fernandez | 6-2,6-3 |
| UTR Pro Tennis Series Sofia Women | 2021/09/02 08:30 | Sara Mikaca v Almudena S-L Fernandez | 7-6,6-3 |
| UTR Pro Tennis Series Sofia Women | 2021/09/01 09:30 | Daria Lodikova v Almudena S-L Fernandez | 6-0,5-2 |
| UTR Pro Tennis Series Sofia Women | 2021/08/31 08:00 | Morgina, Anna v Almudena S-L Fernandez | 2-6,6-4,6-1 |
| UTR Pro Tennis Series Sofia Women | 2021/08/29 15:00 | Martina Gledacheva v Almudena S-L Fernandez | 5-7,0-6 |
| UTR Pro Tennis Series Mulheim Women | 2021/07/31 11:45 | Halbauer, Elizabeth v Almudena S-L Fernandez | 6-3,6-4 |