Stadium: COURT A Round: 25 Ground: Synthetic outdoor
| WTA Chicago | 2018/09/02 19:00 | Elena Rybakina v Naomi Cheong | 6-0,6-2 |
| ITF Women Darmstadt Qual | 2018/07/16 15:30 | Naomi Cheong v Romy Koelzer | 2-6,2-6 |
| ITF Women Darmstadt Qual | 2018/07/15 13:00 | Naomi Cheong v Tatjana Stoll | 7-5,6-3 |
| ITF Women Aschaffenburg Qual | 2018/07/02 13:10 | Naomi Cheong v Elizabeth Halbauer | 2-6,1-6 |
| ITF Women Gifu Qual | 2018/04/29 02:40 | Akiko Omae v Naomi Cheong | 6-2,6-4 |
| ITF Women Quanzhou Qual | 2018/04/21 02:00 | Naomi Cheong v Ziyue Sun | 6-7,4-6 |
| ITF Women Kashiwa Qual | 2018/04/01 04:30 | Alina Silich v Naomi Cheong | 6-2,4-6,6-2 |
| ITF Women Toyota Qual | 2018/03/10 08:00 | Momoko Kobori v Naomi Cheong | 6-0,6-0 |