Stadium: Court 13 Round: 25 Ground: Synthetic outdoor
| ITF Women Kurume | 2018/05/16 02:35 | Abbie Myers v Anastasia E Nefedova | 5-7,7-6,7-6 |
| ITF Women Kurume Qual | 2018/05/15 01:00 | Megumi Nishimoto v Anastasia E Nefedova | 6-4,5-7,1-6 |
| ITF Women Kurume Qual | 2018/05/14 04:30 | Mitsumi Kawasaki v Anastasia E Nefedova | 3-6,2-6 |
| ITF Women Fukuoka Qual | 2018/05/06 02:35 | Utaka Kishigami v Anastasia E Nefedova | 3-6,7-6,6-2 |
| ITF Women Charleston Qual | 2018/05/01 14:00 | Katerina Stewart v Anastasia E Nefedova | 6-2,6-0 |
| ITF Women Charleston Qual | 2018/04/30 14:00 | Layne Sleeth v Anastasia E Nefedova | 6-1,1-6,2-6 |
| ITF Women Charleston Qual | 2018/04/29 16:25 | Nadja Gilchrist v Anastasia E Nefedova | 5-7,1-6 |
| ITF Women Charlottesville Qual | 2018/04/22 15:15 | Rasheeda McAdoo v Anastasia E Nefedova | 4-6,6-4,6-4 |
| ITF Women Kurume Qual | 2018/05/13 00:30 | Sakura Hondo v Ayaka Okuno | 6-7,6-4,7-6 |
| ITF Women Fukuoka Qual | 2018/05/06 07:05 | Akari Inoue v Ayaka Okuno | 6-1,6-4 |
| ITF Women Gifu Qual | 2018/04/29 03:10 | Mai Hontama v Ayaka Okuno | 5-7,7-6,6-2 |
| ITF Women Quanzhou Qual | 2018/04/21 05:45 | Ao Gai v Ayaka Okuno | 6-3,6-4 |
| ITF Women Kashiwa Qual | 2018/04/01 03:00 | Ayaka Okuno v Shiho Akita | 1-6,0-6 |
| ITF Women Kofu Qual | 2018/03/25 02:30 | Ayaka Okuno v Alina Silich | 1-6,1-6 |
| ITF Women Kofu Qual | 2018/03/24 04:00 | Charlotte Robillard-Millette v Ayaka Okuno | 1-6,1-6 |
| ITF Women Nishi-Tama | 2018/03/23 01:00 | Ayaka Okuno v So-Ra Lee | 3-6,4-6 |