Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| ITF W25 Johannesburg | 2021/09/15 09:30 | Elizabeth Mandlik v Chihiro Muramatsu | 6-4,6-1 |
| ITF W25 Vigo | 2021/08/25 09:00 | Anastasia Kulikova v Chihiro Muramatsu | 3-6,6-2,6-1 |
| ITF W25 Ourense | 2021/08/18 16:00 | Celia Cervino Ruiz v Chihiro Muramatsu | 6-7,6-4,6-3 |
| Wimbledon - naised | 2021/06/23 12:10 | Sachia Vickery v Chihiro Muramatsu | 6-3,4-6,6-1 |
| ITF W25 Figueira da Foz | 2021/06/16 16:10 | Yuriko Lily Miyazaki v Chihiro Muramatsu | 7-5,6-2 |
| ITF W25 Montemor-o-Novo | 2021/06/09 16:30 | Francisca Jorge v Chihiro Muramatsu | 6-3,6-4 |
| ITF W25 Otočec | 2021/06/02 09:40 | Chihiro Muramatsu v Allie Kiick | 3-6,4-6 |
| ITF W25 Platja D’Aro | 2021/05/18 14:10 | Amandine Hesse v Chihiro Muramatsu | 6-1,6-4 |
| ITF W25 Johannesburg | 2021/09/16 11:15 | Chanel Simmonds v Matilda Mutavdzic | 7-6,3-6,1-6 |
| ITF W25 Johannesburg | 2021/09/14 09:45 | Amina Anshba v Chanel Simmonds | 4-6,4-6 |
| Billie Jean King Cup | 2021/06/19 10:15 | Anna Bowtell v Chanel Simmonds | 2-6,4-6 |
| Billie Jean King Cup | 2021/06/18 10:15 | Chanel Simmonds v Helene Pellicano | 6-0,2-6,4-6 |
| Billie Jean King Cup | 2021/06/17 10:30 | Chanel Simmonds v Divna Ratkovic | 6-1,6-0 |
| Billie Jean King Cup | 2021/06/16 10:15 | Chanel Simmonds v Umayra Hashimova | 6-1,6-0 |
| Billie Jean King Cup | 2021/06/15 10:30 | Chanel Simmonds v Georgina Moolman | 6-0,6-1 |
| ITF W25 Potchefstroom | 2021/02/20 08:00 | Carol Zhao v Chanel Simmonds | 6-4,6-4 |