Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF Women Singapore | 2018/06/06 03:55 | Yuuki Tanaka v Χαρούκα Κάτζι | 7-6,4-6,1-6 |
| ITF Women Singapore | 2018/06/05 03:35 | Yuuki Tanaka v Lynelle E T Lim | 6-0,6-0 |
| ITF Women Changwon | 2018/05/24 02:40 | Βαρβάρα Φλινκ v Yuuki Tanaka | 7-5,6-2 |
| ITF Women Changwon | 2018/05/23 01:00 | Yuuki Tanaka v Πέι-Τσι Λι | 6-3,6-2 |
| ITF Women Incheon | 2018/05/16 01:30 | Πένγκταρν Πλίπουες v Yuuki Tanaka | 6-1,6-0 |
| ITF Women Nishi-Tama | 2018/03/20 06:45 | Μέι Γιαμαγούτσι v Yuuki Tanaka | 6-4,3-6,1-6 |
| ITF Women Yokohama Qual | 2018/03/04 07:30 | Μογιούκα Ουτσιζίμα v Yuuki Tanaka | 2-6,6-2,6-1 |
| ITF Women Perth Qual | 2018/02/11 02:00 | Μονίκ Μπάρρυ v Yuuki Tanaka | 2-6,1-6 |
| ITF Women Karuizawa Qual | 2018/05/21 01:00 | Μιτσούμι Καβασάκι v Ρίνα Σάιγκο | 1-6,2-6 |
| ITF Women Karuizawa Qual | 2018/05/20 02:30 | Μιτσούμι Καβασάκι v Μινάμι Ακιγιάμα | 6-3,6-3 |
| ITF Women Kurume Qual | 2018/05/14 04:30 | Μιτσούμι Καβασάκι v Αναστασία Ε Νεφέντοβα | 3-6,2-6 |
| ITF Women Kurume Qual | 2018/05/13 08:40 | Μιτσούμι Καβασάκι v Ayano Sonoda | 6-1,6-1 |
| ITF Women Fukuoka Qual | 2018/05/06 04:15 | Μιτσούμι Καβασάκι v Άμπι Μάγιερς | 1-6,2-6 |
| ITF Women Gifu Qual | 2018/04/29 01:00 | Χιρόκο Κουβάτα v Μιτσούμι Καβασάκι | 6-0,7-6 |
| ITF Women Osaka Qual | 2018/04/07 01:30 | Rebecca Marino v Μιτσούμι Καβασάκι | 6-1,6-4 |
| ITF Women Kofu Qual | 2018/03/25 02:30 | Έρικα Σέμα v Μιτσούμι Καβασάκι | 6-0,6-2 |