Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| ITF W25 Changwon | 2023/05/31 01:00 | Lee, Pei-Chei v Hanna Chang | 3-6,1-6 |
| ITF W25 Goyang | 2023/05/23 01:00 | Lee, Pei-Chei v Hanna Chang | 6-4,2-6,5-7 |
| ITF W25 Incheon | 2023/05/18 01:00 | Lee, Pei-Chei v Destanee Aiava | 7-6,3-6,6-7 |
| ITF W25 Incheon | 2023/05/17 01:00 | Kim, Youna v Lee, Pei-Chei | 0-6,6-3,5-7 |
| Fukuoka, Singles W-ITF-JPN-10A | 2023/05/11 03:25 | Sara Saito v Lee, Pei-Chei | 6-0,6-3 |
| Fukuoka, Singles W-ITF-JPN-10A | 2023/05/09 01:00 | Nagi Hanatani v Lee, Pei-Chei | 3-6,2-6 |
| Gifu, Singles W-ITF-JPN-09A | 2023/05/04 03:45 | Lee, Pei-Chei v Katie Boulter | 2-6,1-6 |
| Gifu, Singles W-ITF-JPN-09A | 2023/05/03 01:50 | En Shuo Liang v Lee, Pei-Chei | 7-6,4-6,4-6 |
| ITF W25 Changwon | 2023/06/01 01:00 | Yeon Woo Ku v Xiaodi You | 1-6,3-6 |
| ITF W25 Changwon | 2023/05/31 01:00 | Yeon Woo Ku v Mananchaya Sawangkaew | 6-1,6-3 |
| ITF W25 Goyang | 2023/05/25 02:35 | Kyoka Okamura v Yeon Woo Ku | 6-3,6-4 |
| ITF W25 Goyang | 2023/05/23 04:00 | Dabin Kim v Yeon Woo Ku | 3-6,6-2,4-6 |
| ITF W25 Incheon | 2023/05/17 01:00 | Yeon Woo Ku v Haruna Arakawa | 6-2,4-6,1-6 |
| Gifu, Singles W-ITF-JPN-09A | 2023/05/01 06:55 | Yeon Woo Ku v Mei Yamaguchi | 4-6,6-7 |
| Gifu, Singles W-ITF-JPN-09A | 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 |