Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| ITF W25 Nonthaburi | 2019/05/23 03:00 | Aunchisa Chanta v Maryna Chernyshova | 3-6,6-2,6-4 |
| ITF W25 Nonthaburi | 2019/05/22 05:00 | Ekaterina Vishnevskaya v Maryna Chernyshova | 6-2,3-6,5-7 |
| ITF W25 Namangan | 2019/05/02 07:45 | Rutuja Bhosale v Maryna Chernyshova | 7-5,6-3 |
| ITF W25 Namangan | 2019/05/01 07:30 | Angelina Gabueva v Maryna Chernyshova | 0-6,6-4,2-6 |
| ITF W25 Andijan | 2019/04/27 05:30 | Pranjala Yadlapalli v Maryna Chernyshova | 7-6,7-5 |
| ITF W25 Andijan | 2019/04/26 11:30 | Maryna Chernyshova v Diana Marcinkevica | 6-4,6-3 |
| ITF W25 Andijan | 2019/04/26 06:45 | Ekaterina Yashina v Maryna Chernyshova | 4-6,4-6 |
| ITF W25 Andijan | 2019/04/25 09:10 | Daria Lodikova v Maryna Chernyshova | 1-6,3-6 |
| 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 |
| ITF W25 Osprey | 2019/04/25 15:30 | Ann Li v Mari Osaka | 6-1,6-3 |
| ITF W25 Osprey | 2019/04/24 19:10 | Alexandra Perper v Mari Osaka | 6-0,4-6,0-6 |