| ITF W60 Fukuoka | 05/08 06:35 | 54 | Michika Ozeki v Honoka Kobayashi | 7-5,6-4 | |
| ITF W60 Fukuoka | 05/08 00:50 | 54 | Shiho Akita v Honoka Kobayashi | 6-4,6-7,6-7 | |
| ITF W80 Gifu | 05/01 06:10 | 54 | Pei-Chi Lee v Honoka Kobayashi | 6-4,7-5 | |
| ITF W80 Gifu | 05/01 02:45 | 54 | Honoka Kobayashi v Riko Sawayanagi | Retired | |
| ITF W15 Fukui | 04/28 01:00 | 27 | Honoka Kobayashi v Rinon Okuwaki | 6-4,1-6,3-6 | |
| ITF W15 Fukui | 04/27 01:00 | 26 | Pei-Chi Lee v Honoka Kobayashi | 3-6,6-1,5-7 | |
| ITF W15 Fukui | 04/25 02:00 | 25 | Erina Hayashi v Honoka Kobayashi | 3-6,2-6 | |
| ITF W25 Osaka | 04/17 02:00 | 54 | Honoka Kobayashi v Rinon Okuwaki | 3-6,6-1,7-10 | |
| ITF W25 Osaka | 04/10 01:00 | 62 | Honoka Kobayashi v Mei Yamaguchi | 5-7,3-6 | |
| ITF W25 Osaka | 04/09 01:00 | 62 | Ran Inaba v Honoka Kobayashi | 1-6,1-6 | |
| ITF W25 Kofu | 03/29 04:45 | 25 | Sayaka Ishii v Honoka Kobayashi | 6-2,6-2 | |
| ITF W15 Hinode | 03/23 04:10 | 26 | Moeka Miyata v Honoka Kobayashi | 6-2,7-6 | |
| ITF W15 Hinode | 03/22 01:00 | 25 | Karen Tsutsumi v Honoka Kobayashi | 2-6,1-6 | |
| ITF W15 Kuching | 03/01 09:05 | 25 | Meiqi Guo v Honoka Kobayashi | 6-2,6-3 | |
| ITF W15 Sharm El Sheikh | 02/08 11:45 | 25 | Linda Klimovicova v Honoka Kobayashi | 6-0,3-6,6-1 | |
| ITF W15 Sharm El Sheikh | 02/02 07:30 | 26 | Ho Ching Wu v Honoka Kobayashi | 6-1,6-1 | |
| ITF W15 Sharm El Sheikh | 02/01 15:00 | 25 | Honoka Kobayashi v Anastasiya Apalikhina | 6-3,6-2 | |
| ITF W40 Nonthaburi - selejtezők | 01/08 07:30 | 54 | Honoka Kobayashi v Mayuka Aikawa | 1-6,4-6 | |
| ITF W40 Nonthaburi | 01/01 08:20 | 54 | Yeonwoo Ku v Honoka Kobayashi | 6-4,6-2 | |
| ITF W60 Kyoto | 12/19 02:00 | 45 | Suzuho Oshino v Honoka Kobayashi | 6-2,6-4 | |
| ITF W60 Tokyo | 11/14 00:55 | 54 | Nagi Hanatani v Honoka Kobayashi | 6-1,6-4 | |
| ITF W25 Yokohama | 11/10 03:25 | 26 | Ayano Shimizu v Honoka Kobayashi | 6-1,6-4 | |
| ITF W25 Yokohama | 11/09 05:00 | 25 | Honoka Kobayashi v Yuka Hosoki | 4-6,6-2,6-2 | |
| ITF W25 Yokohama | 11/09 05:00 | 25 | Honoka Kobayashi v Mai Hontama | Cancelled | |
| ITF W25 Yokohama | 11/08 00:50 | 54 | Ayaka Okuno v Honoka Kobayashi | 1-6,1-6 | |
| ITF W25 Yokohama | 11/07 01:00 | 54 | Rinko Matsuda v Honoka Kobayashi | 4-6,3-6 | |
| ITF W25 Hamamatsu | 10/13 04:30 | 26 | Honoka Kobayashi v Ikumi Yamazaki | 3-6,3-6 | |
| ITF W25 Makinohara | 10/04 00:30 | 25 | Honoka Kobayashi v Funa Kozaki | 1-6,6-4,2-6 | |
| ITF W25 Nanao | 09/27 02:45 | 25 | Chihiro Muramatsu v Honoka Kobayashi | 6-2,2-6,6-3 | |
| ITF W15 Monastir | 09/09 08:00 | 27 | Na Dong v Honoka Kobayashi | 6-0,5-7,6-3 |