Stadium: Court 4 Round: 54 Ground: Hardcourt outdoor
| ITF W100 - Nicholasville | 2020/02/10 17:00 | Peyton Stearns v Mari Osaka | 6-0,7-6 |
| ITF W100 - Midland | 2020/02/03 19:35 | Mari Osaka v Marine Partaud | 3-6,7-6,6-10 |
| ITF W25 - Vero Beach | 2020/01/24 14:00 | Mari Osaka v Seone Mendez | 3-6,7-6,4-6 |
| ITF W25 - Vero Beach | 2020/01/21 16:00 | Mari Osaka v Dasha Ivanova | 7-6,7-5 |
| ITF W25 - Vero Beach | 2020/01/20 16:00 | Mari Osaka v Charlotte Chavatipon | 1-6,7-6,10-5 |
| ITF W25 - Daytona Beach | 2020/01/16 14:30 | Mari Osaka v Dalma Galfi | 2-6,0-6 |
| ITF W25 - Daytona Beach | 2020/01/15 16:40 | Quinn Gleason v Mari Osaka | 6-4,3-6,5-7 |
| WTA Houston | 2019/11/14 00:00 | Caty McNally v Mari Osaka | 6-2,6-0 |
| ITF W60 - Kyoto | 2020/02/20 01:55 | Jia-Qi Kang v Tara Moore | 6-1,6-3 |
| ITF W60 - Kyoto | 2020/02/18 01:00 | Tara Moore v Peangtarn Plipuech | 7-6,6-2 |
| ITF W25 - Malibu | 2020/01/15 20:40 | Tara Moore v Lou Brouleau | 7-5,6-2 |
| ITF W60 - Toronto | 2019/10/29 13:00 | Tara Moore v Raphaelle Lacasse | 6-2,3-6,7-10 |
| ITF W60 - Toronto | 2019/10/28 14:50 | Tara Moore v Louise Kwong | 6-4,6-7,10-8 |
| ITF W60 - Saguenay | 2019/10/24 22:10 | Tara Moore v Kimberley Zimmermann | 6-3,2-6,4-6 |
| ITF W60 - Saguenay | 2019/10/23 18:40 | Tara Moore v Marina Stakusic | 7-6,6-1 |
| ITF W25 - Florence | 2019/10/17 15:30 | Tara Moore v Hanna Chang | 5-7,2-6 |