Stadium: Center Round: 62 Ground: Hardcourt outdoor
| Yokohama, Singles Qualifying W-WITF-JPN-01B | 2018/03/04 07:00 | Mei Yamaguchi v Chihiro Muramatsu | 6-4,6-4 |
| Osaka, Singles W-ITF-JPN-02A | 2023/04/10 01:00 | Chihiro Muramatsu v Eunhye Lee | 6-3,6-3 |
| Osaka, Singles W-ITF-JPN-02A | 2023/04/09 01:00 | Chihiro Muramatsu v Haine Ogata | 6-3,6-0 |
| Kashiwa, Qualifications Simples W-ITF-JPN-07A | 2023/04/04 04:15 | Chihiro Muramatsu v Alexandra Bozovic | 7-6,4-6,1-6 |
| Kofu, Qualifications Simples W-ITF-JPN-05A | 2023/03/30 02:20 | Chihiro Muramatsu v Rina Saigo | 7-6,0-6,0-6 |
| Kofu, Qualifications Simples W-ITF-JPN-05A | 2023/03/29 00:30 | Eri Shimizu v Chihiro Muramatsu | 2-6,2-6 |
| ITF W60 Canberra | 2023/03/22 03:20 | Chihiro Muramatsu v Yafan Wang | 2-6,1-6 |
| ITF W60 Canberra | 2023/03/15 23:00 | Chihiro Muramatsu v Priscilla Hon | 5-7,1-6 |
| ITF W60 Canberra | 2023/03/14 04:15 | Elena Micic v Chihiro Muramatsu | 6-0,4-6,4-6 |
| Osaka, Singles W-ITF-JPN-02A | 2023/04/10 01:00 | Honoka Kobayashi v Mei Yamaguchi | 5-7,3-6 |
| Osaka, Singles W-ITF-JPN-02A | 2023/04/09 01:00 | Nagomi Higashitani v Mei Yamaguchi | 3-6,1-6 |
| Kashiwa, Qualifications Simples W-ITF-JPN-07A | 2023/04/03 03:00 | Ya-Hsuan Lee v Mei Yamaguchi | 6-3,6-1 |
| Kofu, Qualifications Simples W-ITF-JPN-05A | 2023/03/28 03:45 | Garcia Perez, Georgina v Mei Yamaguchi | 6-3,5-7,11-9 |
| Kofu, Qualifications Simples W-ITF-JPN-05A | 2023/03/28 00:30 | Shiho Shibata v Mei Yamaguchi | 4-6,3-6 |
| ITF W40 Bengaluru | 2023/03/09 06:00 | Eden Silva v Mei Yamaguchi | 6-2,6-0 |
| ITF W40 Bengaluru | 2023/03/08 10:20 | Emily Welker v Mei Yamaguchi | 6-4,2-6,3-6 |
| ITF W40 Bengaluru | 2023/03/06 06:00 | Saki Imamura v Mei Yamaguchi | 6-4,4-6,4-6 |