Stadium: Court 7 Round: 54 Ground: Hardcourt outdoor
| Kashiwa, Qualifications Simples W-ITF-JPN-07A | 2019/04/06 04:15 | Rebecca Marino v Chang, Kai-Chen | 6-4,6-1 |
| Kashiwa, Qualifications Simples W-ITF-JPN-07A | 2019/04/05 03:40 | Chang, Kai-Chen v Na-Lae Han | 6-2,6-3 |
| Kashiwa, Qualifications Simples W-ITF-JPN-07A | 2019/04/04 02:15 | Chang, Kai-Chen v Kyoka Okamura | 6-3,6-4 |
| Kashiwa, Qualifications Simples W-ITF-JPN-07A | 2019/04/03 03:40 | Zhang, Kai Lin v Chang, Kai-Chen | 4-6,2-6 |
| Kashiwa, Qualifications Simples W-ITF-JPN-07A | 2019/04/02 00:00 | Xiaodi You v Chang, Kai-Chen | 4-6,0-6 |
| Kashiwa, Qualifications Simples W-ITF-JPN-07A | 2019/04/01 03:00 | Akiyama, Minami v Chang, Kai-Chen | 0-6,0-6 |
| Kofu, Qualifications Simples W-ITF-JPN-05A | 2019/03/28 01:00 | Chang, Kai-Chen v Arina Rodionova | 2-6,6-2,6-7 |
| Kofu, Qualifications Simples W-ITF-JPN-05A | 2019/03/27 04:10 | Chang, Kai-Chen v Ho Ching Wu | 6-0,6-1 |
| Nur-Sultan, Singles W-ITF-KAZ-05A | 2019/07/17 10:10 | Palkina, Ksenia v Ng, Kwan Yau | 6-4,6-3 |
| Nur-Sultan, Singles W-ITF-KAZ-05A | 2019/07/16 06:40 | Koval, Vlada v Ng, Kwan Yau | 6-1,6-0 |
| Nur-Sultan, Singles W-ITF-KAZ-05A | 2019/07/15 06:55 | Barnard, Lee v Ng, Kwan Yau | 2-6,1-6 |
| Hengyang, Singles W-ITF-CHN-11A | 2019/06/11 03:50 | Ng, Kwan Yau v Mei Xu Wu | 1-6,4-6 |
| Hengyang, Singles W-ITF-CHN-11A | 2019/06/10 08:45 | Ng, Kwan Yau v Liu, Yi | 6-1,6-1 |
| Hong Kong, Simples W-ITF-HKG-01B | 2019/05/30 04:55 | Ng, Kwan Yau v Nagi Hanatani | 3-6,4-6 |
| Singapour, Simples W-ITF-SGP-04A | 2019/05/22 03:20 | Ng, Kwan Yau v Rutuja Bhosale | 1-6,1-6 |
| Singapour, Simples W-ITF-SGP-04A | 2019/05/15 02:00 | Ashmitha Easwaramurthi v Ng, Kwan Yau | 6-4,2-6,7-6 |