Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| ITF W25 Incheon | 2019/05/31 02:00 | Na-Lae Han v Hanna Chang | 4-6,6-1,6-2 |
| ITF W25 Incheon | 2019/05/30 02:00 | Hanna Chang v Xinyu Wang | 6-2,7-6 |
| ITF W25 Incheon | 2019/05/28 04:00 | Hanna Chang v Na Ri Kim | 6-4,6-0 |
| ITF W25 Goyang | 2019/05/22 01:00 | Hanna Chang v Yeong Won Jeong | 3-6,6-3,4-6 |
| ITF W25 Changwon | 2019/05/17 02:00 | Ya-Hsuan Lee v Hanna Chang | 6-2,6-0 |
| ITF W25 Changwon | 2019/05/16 01:00 | Jennifer Elie v Hanna Chang | 6-2,3-6,2-6 |
| ITF W25 Changwon | 2019/05/15 01:00 | Dabin Oh v Hanna Chang | 0-6,3-6 |
| ITF W80 Dothan | 2019/04/17 15:00 | Hanna Chang v Lucie Hradecka | 4-6,2-6 |
| ITF W25 Nonthaburi | 2019/05/30 07:15 | Ipek Soylu v Mari Osaka | 6-3,7-6 |
| ITF W25 Nonthaburi | 2019/05/29 06:55 | Maryna Chernyshova v Mari Osaka | 2-6,2-6 |
| ITF W25 Nonthaburi | 2019/05/24 07:30 | Mari Osaka v Maddison Inglis | 4-6,2-6 |
| ITF W25 Nonthaburi | 2019/05/23 05:25 | Mari Osaka v Magali Kempen | 6-2,7-5 |
| ITF W25 Nonthaburi | 2019/05/21 11:20 | Mari Osaka v Punnin Kovapitukted | 6-3,6-3 |
| ITF W100 Charleston | 2019/05/01 14:00 | Veronica Cepede Royg v Mari Osaka | 1-6,7-5,6-3 |
| ITF W100 Charleston | 2019/04/30 15:35 | Mari Osaka v Sanaz Marand | 7-5,6-4 |
| ITF W100 Charleston | 2019/04/29 14:00 | Mari Osaka v Joelle Kissell | 6-1,6-2 |