Stadium: Court 3 Round: 54 Ground: Synthetic outdoor
| ITF W25 Hamamatsu | 2019/10/14 01:00 | Ari Matsumoto v Arisa Abe | 6-1,6-0 |
| ITF W25 Makinohara | 2019/10/09 04:45 | Ari Matsumoto v Mai Hontama | 2-6,3-6 |
| ITF W25 Makinohara | 2019/10/08 03:00 | Ari Matsumoto v Kotomi Takahata | 6-2,6-3 |
| ITF W25 Makinohara | 2019/10/07 03:30 | Ari Matsumoto v Suzuho Oshino | 6-2,6-1 |
| ITF W25 Karuizawa | 2019/05/23 01:00 | Ari Matsumoto v Jovana Jaksic | 1-6,1-6 |
| ITF W25 Karuizawa | 2019/05/22 01:00 | Anri Nagata v Ari Matsumoto | 1-6,1-6 |
| ITF W25 Karuizawa | 2019/05/21 05:40 | Ari Matsumoto v Ayaka Okuno | 4-6,6-2,10-7 |
| ITF W25 Karuizawa | 2019/05/20 03:00 | Ari Matsumoto v Momoko Nagato | 7-5,6-1 |
| ITF W25 Hamamatsu | 2019/10/14 01:00 | Mai Fujimoto v Honoka Kobayashi | 0-6,0-6 |
| ITF W25 Makinohara | 2019/10/09 02:10 | Honoka Kobayashi v Erina Hayashi | 2-6,4-6 |
| ITF W25 Makinohara | 2019/10/08 02:30 | Honoka Kobayashi v Miyu Nakashima | 6-2,4-6,11-9 |
| ITF W25 Makinohara | 2019/10/07 03:30 | Honoka Kobayashi v Arisa Abe | 6-0,6-4 |
| ITF W15 Anning | 2019/09/24 04:40 | Sowjanya Bavisetti v Honoka Kobayashi | 6-0,7-6 |
| ITF W15 Anning | 2019/09/19 02:00 | Zhibek Kulambayeva v Honoka Kobayashi | 5-7,7-6,6-2 |
| ITF W15 Anning | 2019/09/18 04:20 | Wei Zheng v Honoka Kobayashi | 1-6,4-6 |
| ITF W15 Anning | 2019/09/16 04:25 | Honoka Kobayashi v Cong Ying Zhao | 6-0,1-6,10-6 |