Stadium: Court 5 Round: 54 Ground: Hardcourt outdoor
| Challenger Kaohsiung | 2016/06/15 07:45 | Aiko Yoshitomi v Pei-Chi Lee | 5-7,6-4,1-6 |
| ITF W25 - Daegu | 2019/06/03 01:00 | Pei-Chi Lee v Dayeon Back | 3-6,7-6,13-11 |
| ITF W25 - Incheon | 2019/05/29 01:00 | Anastasia Gasanova v Pei-Chi Lee | 6-0,7-6 |
| ITF W25 - Incheon | 2019/05/28 01:00 | Pei-Chi Lee v Seohyeon Kim | 6-1,6-1 |
| ITF W25 - Incheon | 2019/05/27 03:10 | Pei-Chi Lee v Seung-Yeon Hong | 6-3,4-6,10-7 |
| ITF W60 Luan | 2019/05/07 02:00 | Akiko Omae v Pei-Chi Lee | 6-2,6-4 |
| ITF W60 Luan | 2019/05/06 02:00 | Xiuyuan Li v Pei-Chi Lee | 0-6,0-6 |
| ITF W25 - Sunderland | 2019/04/08 12:05 | Katarzyna Pitak v Pei-Chi Lee | 6-4,6-3 |
| ITF W25 Bolton | 2019/04/01 18:45 | Cristiana Ferrando v Pei-Chi Lee | 6-4,4-6,14-12 |
| ITF W25 - Daegu | 2019/06/03 01:00 | Seung-Yeon Hong v Aiko Yoshitomi | 4-6,4-6 |
| ITF W15 Perth | 2019/02/21 03:10 | Aiko Yoshitomi v Anastasia Berezov | 6-7,4-6 |
| ITF W15 Perth | 2019/02/19 03:30 | Aiko Yoshitomi v Giorgie Jones | 6-2,6-4 |
| ITF W15 - Sharm El Sheikh | 2019/01/30 08:00 | Lisa Ponomar v Aiko Yoshitomi | 4-6,6-2,6-3 |
| ITF W15 - Sharm El Sheikh | 2019/01/23 08:00 | Aiko Yoshitomi v Maiar S A Abdelaziz | 3-6,4-6 |
| ITF Women Toowoomba | 2018/10/08 05:00 | Marine Partaud v Aiko Yoshitomi | 6-0,6-2 |
| ITF Women Toowoomba | 2018/10/08 01:30 | Isabella Bozicevic v Aiko Yoshitomi | 3-6,1-6 |
| ITF Women Toowoomba | 2018/10/07 00:30 | Albina Khabibulina v Aiko Yoshitomi | 5-7,4-6 |