Stadium: Court 6 Round: 26
| ITF Women Gyeongsan | 2018/06/12 06:20 | Zhibek Kulambayeva v Jun, Da Bin | 6-1,6-2 |
| Changwon, Singles Qualifying W-WITF-KOR-01A | 2018/05/20 03:00 | Kim, Sumin v Zhibek Kulambayeva | 1-6,6-3,6-3 |
| ITF Women Incheon Qual | 2018/05/14 02:00 | Zhibek Kulambayeva v Yu, Min-Hwa | 4-6,1-6 |
| ITF Women Incheon Qual | 2018/05/13 01:00 | Zhibek Kulambayeva v Hong, Seung-Yeon | 6-3,6-4 |
| Hua Hin, Singles W-WITF-THA-07A | 2018/05/08 04:20 | Thamchaiwat, B. v Zhibek Kulambayeva | 6-3,6-1 |
| Hua Hin, Singles W-WITF-THA-07A | 2018/05/02 04:30 | Zhibek Kulambayeva v Aldila Sutjiadi | 1-6,2-6 |
| Hua Hin, Singles W-WITF-THA-07A | 2018/05/01 02:30 | Zhibek Kulambayeva v Walters, Alexandra | 6-3,6-3 |
| Shymkent, Singles W-WITF-KAZ-08A | 2018/04/18 05:00 | Zhibek Kulambayeva v Yexin Ma | 2-6,1-6 |
| ITF Women Gyeongsan | 2018/06/12 02:55 | Kitagawa, Rio v Okuno, Ayaka | 2-6,4-6 |
| ITF Women Sangju | 2018/06/08 02:00 | Okuno, Ayaka v Ya-Hsuan Lee | 2-6,0-6 |
| ITF Women Sangju | 2018/06/07 03:05 | Okuno, Ayaka v Subin Park | 7-6,6-4 |
| ITF Women Sangju | 2018/06/06 01:00 | Okuno, Ayaka v Yea, Hyojung | 6-3,6-3 |
| Karuizawa, Singles W-WITF-JPN-10A | 2018/05/24 03:55 | Okuno, Ayaka v Myers, Abbie | 2-6,3-6 |
| Karuizawa, Singles W-WITF-JPN-10A | 2018/05/23 01:00 | Nefedova, Anastasia Evgenyevna v Okuno, Ayaka | 7-6,3-6,4-6 |
| ITF Women Kurume Qual | 2018/05/13 00:30 | Hondo, Sakura v Okuno, Ayaka | 6-7,6-4,7-6 |
| ITF Women Fukuoka Qual | 2018/05/06 07:05 | Inoue, Akari v Okuno, Ayaka | 6-1,6-4 |