Stadium: Court 1 Round: 54 Ground: Hardcourt outdoor
| ITF W25 Yokohama | 2022/11/07 01:00 | Okuno, Ayaka v Mabuchi, Mami | 6-2,6-2 |
| ITF W25 Fort Worth | 2022/10/17 15:00 | Ania Hertel v Okuno, Ayaka | 6-3,6-2 |
| ITF W60 Las Vegas | 2022/10/10 18:15 | Okuno, Ayaka v Mohamad, Shatoo | 2-6,2-6 |
| ITF W25 Austin | 2022/09/26 16:00 | Eryn Cayetano v Okuno, Ayaka | 6-2,6-3 |
| ITF W25 Dallas | 2022/07/25 14:00 | Okuno, Ayaka v Jessica Hinojosa Gomez | 0-6,5-7 |
| ITF W15 Rancho Santa Fe | 2022/06/01 16:00 | Okuno, Ayaka v Haley Giavara | 5-7,3-6 |
| ITF W25 Naples | 2022/05/17 13:55 | Okuno, Ayaka v Akasha Urhobo | 2-6,2-6 |
| ITF W25 Naples | 2022/05/16 13:30 | Okuno, Ayaka v Carolina Bohrer Martins | 6-4,6-3 |
| ITF W25 Yokohama | 2022/11/07 01:00 | Rinko Matsuda v Honoka Kobayashi | 4-6,3-6 |
| ITF W25 Hamamatsu | 2022/10/13 04:30 | Honoka Kobayashi v Ikumi Yamazaki | 3-6,3-6 |
| ITF W25 Makinohara | 2022/10/04 00:30 | Honoka Kobayashi v Funa Kozaki | 1-6,6-4,2-6 |
| ITF W25 Nanao | 2022/09/27 02:45 | Chihiro Muramatsu v Honoka Kobayashi | 6-2,2-6,6-3 |
| ITF - W15 Monastir | 2022/09/09 08:00 | Na Dong v Honoka Kobayashi | 6-0,5-7,6-3 |
| ITF - W15 Monastir | 2022/09/08 08:00 | Elisa Andrea Camerano v Honoka Kobayashi | 1-6,3-6 |
| ITF - W15 Monastir | 2022/09/06 09:25 | Glanzer, Daniela v Honoka Kobayashi | 3-6,6-7 |
| ITF - W15 Monastir | 2022/08/31 09:40 | Honoka Kobayashi v Marie Villet | 6-0,3-6,4-6 |