Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| ITF W60 Shenzhen | 2019/03/13 02:00 | Chihiro Muramatsu v Hiroko Kuwata | 6-2,2-6,5-7 |
| ITF Women Tsukuba | 2018/08/23 00:30 | Hiroko Kuwata v Chihiro Muramatsu | 6-7,2-6 |
| 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 |
| ITF W60 Caldas da Rainha | 2021/09/12 12:00 | Sofia Pinto v Hiroko Kuwata | 3-6,1-6 |
| ITF W25 Haabneeme | 2021/11/03 11:30 | Ayla Aksu v Chihiro Muramatsu | 6-2,6-2 |
| WTA Courmayeur | 2021/10/23 15:30 | Giulia Gatto Monticone v Chihiro Muramatsu | 6-0,6-2 |
| ITF W25 Netanya | 2021/10/21 09:00 | Fanny Ostlund v Chihiro Muramatsu | 7-6,6-3 |
| ITF W25 Netanya | 2021/10/20 12:10 | Jenny Duerst v Chihiro Muramatsu | 2-6,4-6 |
| ITF W25 Lagos | 2021/10/14 11:45 | Chihiro Muramatsu v Ellen Perez | 1-6,1-6 |
| ITF W25 Lagos | 2021/10/13 11:20 | Chihiro Muramatsu v Carolina Azadinho | 6-3,6-1 |
| ITF W25 Lagos | 2021/10/12 09:30 | Chihiro Muramatsu v Joanna Garland | 6-1,1-6,7-10 |
| ITF W25 Lagos | 2021/10/11 09:30 | Chihiro Muramatsu v Sashi Kempster | 6-1,6-1 |