Stadium: Court 1 Round: 54
| ITF Women Fukuoka Qual | 2018/05/07 01:00 | Olivia Tjandramulia v Shimizu, Chinatsu | 7-5,6-3 |
| ITF Women Fukuoka Qual | 2018/05/06 02:40 | Olivia Tjandramulia v Michika Ozeki | 6-2,7-6 |
| WTA Anning | 2018/05/02 03:00 | Olivia Tjandramulia v Irina Khromacheva | 6-3,0-6,2-6 |
| WTA Anning | 2018/05/01 06:15 | Fangzhou Liu v Olivia Tjandramulia | 2-6,1-6 |
| Quanzhou, Qualifications Simples W-WITF-CHN-04B | 2018/04/22 03:00 | Gai, AO v Olivia Tjandramulia | 6-3,6-2 |
| Quanzhou, Qualifications Simples W-WITF-CHN-04B | 2018/04/21 06:30 | Guo, Shanshan v Olivia Tjandramulia | 2-6,1-6 |
| WTA Zhengzhou Qual | 2018/04/14 04:15 | Olivia Tjandramulia v Minokoshi, Mai | 1-6,7-5,0-6 |
| ITF Women Canberra | 2018/03/27 02:35 | Katy Dunne v Olivia Tjandramulia | 2-6,6-3,6-3 |
| ITF Women Fukuoka Qual | 2018/05/07 01:00 | Yoshitomi, Aiko v Kishigami, Utaka | 6-1,7-6 |
| ITF Women Fukuoka Qual | 2018/05/06 02:20 | Yoshitomi, Aiko v Takayama, Chihiro | 6-2,6-3 |
| ITF Women Gifu Qual | 2018/04/29 09:40 | Yoshitomi, Aiko v Ninomiya, Makoto | 4-6,1-6 |
| ITF Women Gifu Qual | 2018/04/29 05:50 | Tere-Apisah, Abigail v Yoshitomi, Aiko | 6-3,4-6,4-6 |
| ITF Women Osaka Qual | 2018/04/07 05:30 | Yoshitomi, Aiko v Moyuka Uchijima | 6-4,2-6,6-7 |
| ITF Women Kashiwa Qual | 2018/04/01 05:00 | Yoshitomi, Aiko v Jeong, Sunam | 1-6,6-7 |
| Kofu, Singles W-WITF-JPN-02A | 2018/03/28 01:00 | Lin Zhu v Yoshitomi, Aiko | 6-1,6-3 |
| Kofu, Singles Qualifying W-WITF-JPN-02A | 2018/03/26 01:00 | Zhang, Yuxuan v Yoshitomi, Aiko | 6-7,6-2,2-6 |