Stadium: Court F Round: 62 Ground: Hardcourt outdoor
| Antalya, Singles Qualifying W-WITF-TUR-04A | 2018/01/27 06:30 | Sonoda, Ayano v 高山千尋 高山千尋 | 0-6,0-6 |
| Antalya, Singles Qualifying W-WITF-TUR-04A | 2018/01/21 11:00 | Sonoda, Ayano v Altukhova, Polina | 2-6,4-6 |
| Antalya, Singles Qualifying W-WITF-TUR-04A | 2018/01/15 08:00 | Sonoda, Ayano v Schippers, Daniela | 2-6,3-6 |
| Tokyo, Singles Qualifying W-C100-JPN-01A | 2017/11/04 06:15 | Sonoda, Ayano v チョン・ナオミ | 0-6,2-6 |
| Hamamatsu, Singles Qualifying W-C25-JPN-06A | 2017/10/16 01:00 | 西郷 幸奈 v Sonoda, Ayano | 6-3,6-2 |
| Hamamatsu, Singles Qualifying W-C25-JPN-06A | 2017/10/14 01:00 | Shindo, Marie v Sonoda, Ayano | 3-6,1-6 |
| Tokyo, Singles Qualifying W-C100-JPN-01A | 2017/06/04 02:15 | Sonoda, Ayano v Fujiwara, Rika | 0-6,1-6 |
| ITF Women Kurume Qual | 2017/05/14 03:15 | Sonoda, Ayano v V.V Mei | 0-6,3-6 |
| ITF Women Hamamatsu | 2017/10/18 00:00 | 細木 咲良 v 西郷 幸奈 | 1-6,6-4,4-6 |
| Kofu, Singles Qualifying W-WITF-JPN-02A | 2017/06/11 05:00 | 小関 みちか v 細木 咲良 | 6-2,7-6 |