Stadium: Court 4 Round: 44 Ground: Hardcourt outdoor
| ITF W25 Chiang Rai | 2022/04/11 03:00 | Risa Ushijima v Yarden Akler | 6-2,6-0 |
| ITF W25 Chiang Rai Qual | 2022/04/10 05:45 | Risa Ushijima v Catherine Aulia | 7-5,1-6,12-10 |
| ITF W15 Heraklion | 2021/12/03 08:00 | Radka Zelnickova v Risa Ushijima | 6-1,6-1 |
| ITF W15 Heraklion | 2021/12/02 08:45 | Benedetta Ortenzi v Risa Ushijima | 3-6,1-6 |
| ITF W15 Heraklion | 2021/11/23 08:30 | Risa Ushijima v Michaela Laki | 6-3,3-6,1-6 |
| ITF W15 Heraklion | 2021/11/18 06:55 | Risa Ushijima v Ilinca D Amariei | 6-3,1-6,0-6 |
| ITF W15 Heraklion | 2021/11/17 07:00 | Risa Ushijima v Ani Vangelova | 6-4,3-6,6-1 |
| ITF W60 Rancho Santa Fe | 2021/10/11 16:55 | Risa Ushijima v Katherine Hui | 2-6,3-6 |
| ITF W25 Chiang Rai | 2022/04/11 02:00 | Honoka Kobayashi v Sathwika Sama | 6-1,6-1 |
| ITF W25 Chiang Rai Qual | 2022/04/10 03:25 | Natsuho Arakawa v Honoka Kobayashi | 5-7,6-7 |
| ITF W25 Chiang Rai | 2022/04/04 03:35 | Lanlana Tararudee v Honoka Kobayashi | 7-6,6-4 |
| ITF W25 Cairo | 2022/01/26 15:05 | Sapfo Sakellaridi v Honoka Kobayashi | 6-0,6-2 |
| ITF W25 Cairo | 2022/01/25 09:30 | Demi Tran v Honoka Kobayashi | 1-6,0-6 |
| ITF W25 Cairo | 2022/01/24 13:25 | Camille Moga v Honoka Kobayashi | 6-3,2-6,4-10 |
| ITF W15 Cairo | 2022/01/19 13:25 | Adrienn Nagy v Honoka Kobayashi | 6-0,2-6,6-1 |
| ITF W15 Cairo | 2022/01/13 10:45 | Honoka Kobayashi v Anastasia E Nefedova | 2-6,0-6 |