Stadium: Court 7 Round: 26 Ground: Hardcourt outdoor
| ITF W15 - Monastir | 2021/09/22 13:00 | Pimrada Jattavapornvanit v Rina Saigo | 3-6,6-3,6-0 |
| ITF W15 - Monastir | 2021/09/22 13:00 | Honoka Kobayashi v Himari Sato | 7-5,6-7,6-4 |
| ITF W15 - Monastir | 2021/09/21 09:00 | Honoka Kobayashi v Eleonora Alvisi | 6-4,6-3 |
| ITF W15 - Monastir | 2021/09/20 13:00 | Honoka Kobayashi v Snehal Mane | 6-1,6-1 |
| ITF W15 - Antalya | 2021/02/14 06:00 | Honoka Kobayashi v Denislava Glushkova | 1-6,6-3,6-10 |
| ITF W15 - Antalya | 2021/02/08 09:00 | Julia Kimmelmann v Honoka Kobayashi | 6-3,6-2 |
| ITF W15 - Antalya | 2021/02/07 06:00 | Honoka Kobayashi v Anja Wildgruber | 7-6,4-6,10-6 |
| ITF W15 - Antalya | 2021/02/03 10:00 | Honoka Kobayashi v Ilay Yoruk | 3-6,3-6 |
| ITF W15 - Antalya | 2021/02/02 10:00 | Melania Delai v Honoka Kobayashi | 3-6,0-6 |