Stadium: Court 8 Round: 54
| ITF Women Daegu | 2018/06/21 01:00 | Yoshitomi, Aiko v Chang, Kai-Chen | 6-7,1-6 |
| ITF Women Daegu | 2018/06/20 04:35 | Yoshitomi, Aiko v Kim, Cherry | 6-4,6-0 |
| ITF Women Gyeongsan | 2018/06/13 02:00 | Yoshitomi, Aiko v Eunhye Lee | 1-6,2-6 |
| ITF Women Sangju | 2018/06/07 01:00 | Yoshitomi, Aiko v Hosonuma, Chisa | 5-7,3-6 |
| ITF Women Sangju | 2018/06/05 03:50 | Yoshitomi, Aiko v Ahn, Yu Jin | 6-1,6-1 |
| Karuizawa, Singles W-WITF-JPN-10A | 2018/05/22 01:00 | Tammi Patterson v Yoshitomi, Aiko | 6-4,6-4 |
| ITF Women Kurume Qual | 2018/05/15 01:00 | Myers, Abbie v Yoshitomi, Aiko | 6-1,7-6 |
| ITF Women Kurume Qual | 2018/05/13 07:00 | Yoshitomi, Aiko v Ueda, Ramu | 6-3,6-3 |