Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| Nonthaburi, Singles W-ITF-THA-01A | 2019/05/23 03:00 | Chanta, Aunchisa v Chernyshova, Maryna | 3-6,6-2,6-4 |
| Nonthaburi, Singles W-ITF-THA-01A | 2019/05/22 05:00 | Vishnevskaya, Ekaterina v Chernyshova, Maryna | 6-2,3-6,5-7 |
| Namangan, Singles W-ITF-UZB-02A | 2019/05/02 07:45 | Rutuja Bhosale v Chernyshova, Maryna | 7-5,6-3 |
| Namangan, Singles W-ITF-UZB-02A | 2019/05/01 07:30 | Gabueva, Angelina v Chernyshova, Maryna | 0-6,6-4,2-6 |
| Andijan, Singles W-ITF-UZB-01A | 2019/04/27 05:30 | Yadlapalli, Pranjala v Chernyshova, Maryna | 7-6,7-5 |
| Andijan, Singles W-ITF-UZB-01A | 2019/04/26 11:30 | Chernyshova, Maryna v Diana Marcinkevica | 6-4,6-3 |
| Andijan, Singles W-ITF-UZB-01A | 2019/04/26 06:45 | Ekaterina Yashina v Chernyshova, Maryna | 4-6,4-6 |
| Andijan, Singles W-ITF-UZB-01A | 2019/04/25 09:10 | Daria Lodikova v Chernyshova, Maryna | 1-6,3-6 |
| Nonthaburi, Singles W-ITF-THA-01A | 2019/05/24 07:30 | Osaka, Mari v Maddison Inglis | 4-6,2-6 |
| Nonthaburi, Singles W-ITF-THA-01A | 2019/05/23 05:25 | Osaka, Mari v Magali Kempen | 6-2,7-5 |
| Nonthaburi, Singles W-ITF-THA-01A | 2019/05/21 11:20 | Osaka, Mari v Punnin Kovapitukted | 6-3,6-3 |
| ITF W100 Charleston | 2019/05/01 14:00 | Cepede Royg, Veronica v Osaka, Mari | 1-6,7-5,6-3 |
| ITF W100 Charleston | 2019/04/30 15:35 | Osaka, Mari v Marand, Sanaz | 7-5,6-4 |
| ITF W100 Charleston | 2019/04/29 14:00 | Osaka, Mari v Kissell, Joelle | 6-1,6-2 |
| Osprey, Fl, Singles Qualifying W-ITF-USA-14A | 2019/04/25 15:30 | Ann Li v Osaka, Mari | 6-1,6-3 |
| Osprey, Fl, Singles Qualifying W-ITF-USA-14A | 2019/04/24 19:10 | Perper, Alexandra v Osaka, Mari | 6-0,4-6,0-6 |