Stadium: Court B1 Round: 54 Ground: Hardcourt outdoor
| ITF W80 Gifu | 2023/05/01 03:45 | Yeon Woo Ku v Nanari Katsumi | 6-1,6-1 |
| Billie Jean King Cup | 2023/04/15 10:10 | Rutuja Bhosale v Yeon Woo Ku | 7-5,2-6,6-2 |
| Billie Jean King Cup | 2023/04/13 06:35 | Yeon Woo Ku v Mananchaya Sawangkaew | 6-7,6-1,2-6 |
| Billie Jean King Cup | 2023/04/11 06:40 | Moyuka Uchijima v Yeon Woo Ku | 6-4,7-6 |
| ITF W25 Palmanova | 2023/03/22 09:00 | Yeon Woo Ku v Oana Gavrila | 6-2,6-7,4-6 |
| ITF W25 Palmanova | 2023/03/21 07:55 | Caijsa W Hennemann v Yeon Woo Ku | 6-7,3-6 |
| ITF W25 Palmanova | 2023/03/20 10:30 | Maria Kalyakina v Yeon Woo Ku | 2-6,1-6 |
| ITF W25 Palmanova | 2023/03/18 10:00 | Yeon Woo Ku v Diletta Cherubini | 6-4,6-4 |
| ITF W80 Gifu | 2023/05/01 02:30 | Himari Sato v Mei Yamaguchi | 0-6,3-6 |
| ITF W25 Osaka | 2023/04/12 00:55 | Mei Yamaguchi v Kyoka Okamura | 6-2,4-6,4-6 |
| ITF W25 Osaka | 2023/04/10 04:45 | Chihiro Muramatsu v Mei Yamaguchi | 1-6,6-7 |
| ITF W25 Osaka | 2023/04/10 01:00 | Honoka Kobayashi v Mei Yamaguchi | 5-7,3-6 |
| ITF W25 Osaka | 2023/04/09 01:00 | Nagomi Higashitani v Mei Yamaguchi | 3-6,1-6 |
| ITF W25 Kashiwa | 2023/04/03 03:00 | Ya-Hsuan Lee v Mei Yamaguchi | 6-3,6-1 |
| ITF W25 Kofu | 2023/03/28 03:45 | Georgina Garcia-Perez v Mei Yamaguchi | 6-3,5-7,11-9 |
| ITF W25 Kofu | 2023/03/28 00:30 | Shiho Shibata v Mei Yamaguchi | 4-6,3-6 |