Stadium: Court 6 Round: 26 Ground: Synthetic outdoor
| Hua Hin, Singles W-WITF-THA-07A | 2016/11/23 03:00 | Mana Ayukawa v Haruna Arakawa | 3-6,4-6 |
| Hamamatsu, Singles W-WITF-JPN-12A | 2018/10/16 01:00 | Saito, Yui v Haruna Arakawa | 4-6,2-6 |
| Makinohara, Singles Qualifying W-WITF-JPN-15A | 2018/10/11 03:50 | Haruna Arakawa v Shiho Akita | 1-6,4-6 |
| Makinohara, Singles Qualifying W-WITF-JPN-15A | 2018/10/09 00:30 | Haruna Arakawa v Uchiyama, Honoka | 6-0,6-1 |
| ITF Women Brisbane | 2018/10/01 02:00 | Chihiro Muramatsu v Haruna Arakawa | 6-1,6-4 |
| ITF Women Brisbane | 2018/09/30 07:00 | Chiang, Yuki Kristina v Haruna Arakawa | 4-6,3-6 |
| ITF Women Brisbane | 2018/09/30 05:00 | Bozicevic, Isabella v Haruna Arakawa | 3-6,4-6 |
| ITF Women Kyoto | 2018/09/08 03:30 | Haruna Arakawa v Himeno Sakatsume | 6-3,3-6,1-6 |
| ITF Women Kyoto | 2018/09/07 03:30 | Haruna Arakawa v Michika Ozeki | 6-3,6-3 |
| Hamamatsu, Singles W-WITF-JPN-12A | 2018/10/17 01:00 | Mana Ayukawa v Momoko Kobori | 7-6,2-6,6-2 |
| Makinohara, Singles Qualifying W-WITF-JPN-15A | 2018/10/13 03:05 | Mana Ayukawa v Namigata, Junri | 1-6,6-3,2-6 |
| Makinohara, Singles Qualifying W-WITF-JPN-15A | 2018/10/12 03:00 | Mana Ayukawa v Susan Bandecchi | 6-4,3-6,6-3 |
| Makinohara, Singles Qualifying W-WITF-JPN-15A | 2018/10/11 00:30 | Mana Ayukawa v Ueda, Ramu | 7-5,1-6,6-2 |
| Makinohara, Singles Qualifying W-WITF-JPN-15A | 2018/10/10 00:30 | Nagi Hanatani v Mana Ayukawa | 1-6,7-5,4-6 |
| ITF Women Darwin | 2018/09/24 00:30 | Mana Ayukawa v Kyoka Okamura | 4-6,6-3,3-6 |
| ITF Women Darwin | 2018/09/23 03:30 | Mana Ayukawa v Ueda, Ramu | 4-6,6-1,6-2 |
| ITF Women Cairns | 2018/09/19 02:00 | Maddison Inglis v Mana Ayukawa | 7-6,7-5 |