Stadium: Court 2 Round: 54 Ground: Hardcourt outdoor
| ITF W25 Kjóto | 2019/09/04 04:30 | Himari Sato v Risa Ushijima | 1-6,6-2,1-6 |
| ITF W25 Vero Beach | 2020/01/20 16:00 | Eleana Yu v Risa Ushijima | 7-5,6-0 |
| ITF W25 - Daytona Beach | 2020/01/12 16:00 | Maria Lourdes Carle v Risa Ushijima | 6-4,6-1 |
| ITF W25 Nová Bombaj | 2019/12/17 09:30 | Risa Ushijima v Nudnida Luangnam | 7-5,3-6,2-6 |
| ITF W25 Puné | 2019/12/12 05:30 | Risa Ushijima v Shalimar Talbi | 6-7,5-7 |
| ITF W25 Puné | 2019/12/10 05:00 | Ekaterina Yashina v Risa Ushijima | 4-6,5-7 |
| ITF W15 Nonthaburi | 2019/12/04 07:00 | Risa Ushijima v Kamonwan Buayam | 2-6,2-6 |
| ITF W100 Tokio | 2019/11/13 01:00 | Natalija Stevanovic v Risa Ushijima | 6-2,6-4 |
| ITF W100 Tokio | 2019/11/11 06:30 | Risa Ushijima v Makoto Ninomiya | 7-6,4-6,4-10 |
| ITF W60 Burnie | 2020/01/27 01:50 | Monique Barry v Himari Sato | 3-6,2-6 |
| ITF W25 Hongkong | 2020/01/08 02:00 | Himari Sato v Akiko Omae | 6-1,5-7,2-6 |
| ITF W25 Hongkong | 2020/01/07 04:00 | Zhibek Kulambayeva v Himari Sato | 2-6,2-6 |
| ITF W25 Hongkong | 2020/01/06 02:00 | Ashmitha Easwaramurthi v Himari Sato | 1-6,2-6 |
| ITF W25 Hongkong | 2019/12/30 03:00 | Mai Hontama v Himari Sato | 6-0,6-4 |
| WTA Hiroshima | 2019/09/08 02:00 | Himari Sato v Mayo Hibi | 1-6,2-6 |
| ITF W25 Kjóto | 2019/09/04 04:30 | Himari Sato v Risa Ushijima | 1-6,6-2,1-6 |
| ITF W25 Kjóto | 2019/09/02 06:35 | Himari Sato v Michiru Furuya | 6-4,6-3 |