Stadium: Court 1 Round: 44
| ITF Women Goyang Qual | 2018/05/07 01:30 | Akiko Omae v Sul, You-Na | 6-4,6-3 |
| ITF Women Gifu Qual | 2018/04/29 02:40 | Akiko Omae v Cheong, Naomi | 6-2,6-4 |
| ITF Women Osaka Qual | 2018/04/08 02:00 | Rebecca Marino v Akiko Omae | 6-1,6-2 |
| ITF Women Osaka Qual | 2018/04/07 01:30 | Ayumi Koshiishi v Akiko Omae | 3-6,2-6 |
| ITF Women Kashiwa Qual | 2018/04/01 03:30 | Akiko Omae v Kyoka Okamura | 4-6,3-6 |
| ITF Women Toyota Qual | 2018/03/10 03:00 | Akiko Omae v Kanako Morisaki | 6-7,3-6 |
| Yokohama, Singles Qualifying W-WITF-JPN-01B | 2018/03/06 01:00 | Akiko Omae v Ya-Hsuan Lee | 7-5,6-7,4-6 |
| Yokohama, Singles Qualifying W-WITF-JPN-01B | 2018/03/04 05:30 | Akiko Omae v Naho Sato | 6-2,6-2 |
| ITF Women Goyang Qual | 2018/05/07 01:30 | Alana Parnaby v Ryngler, Alexa | 3-6,3-6 |
| ITF Women Pelham Qual | 2018/04/10 15:00 | Ryngler, Alexa v Douglas, Ellie | 2-6,6-2,2-6 |
| ITF Women Pelham Qual | 2018/04/09 15:00 | Ryngler, Alexa v Valero, Juliana | 6-2,6-1 |
| ITF Women Pelham Qual | 2018/04/08 15:00 | Ryngler, Alexa v Mamalat, Anna | 6-1,6-1 |
| Irapuato, Singles W-WITF-MEX-01A | 2018/03/12 23:20 | Arantxa Rus v Ryngler, Alexa | 6-3,6-7,6-4 |
| Irapuato, Singles Qualifying W-WITF-MEX-01A | 2018/03/11 18:55 | Ryngler, Alexa v Brodsky, Gail | 6-3,6-3 |
| Sao Paulo, Singles Qualifying W-WITF-BRA-02A | 2018/02/25 17:30 | Ryngler, Alexa v Lopez, Daniela Macarena | 6-7,2-6 |
| Sao Paulo, Singles Qualifying W-WITF-BRA-02A | 2018/02/24 15:30 | Gatica, Barbara v Ryngler, Alexa | 2-6,4-6 |