Stadium: Court 4 Round: 26 Ground: Clay
| Hua Hin, Singles W-WITF-THA-07A | 2018/12/03 03:45 | Runglerdkriangkrai, Apichaya v Okuno, Ayaka | 6-4,6-7,6-4 |
| Hua Hin, Singles W-WITF-THA-07A | 2018/11/26 03:00 | Okuno, Ayaka v Haine Ogata | 5-7,2-6 |
| ITF Women Norman | 2018/11/11 17:30 | Okuno, Ayaka v Dalayna Hewitt | 1-6,4-6 |
| ITF Women Norman | 2018/11/10 08:30 | Okuno, Ayaka v Khrystyna Vozniak | 6-3,6-3 |
| ITF Women Lawrence | 2018/11/04 16:30 | Jackson, Emma v Okuno, Ayaka | 7-6,6-4 |
| ITF Women Lawrence | 2018/11/03 16:00 | Poile, Miranda v Okuno, Ayaka | 6-2,0-6,1-6 |
| ITF Women Toronto | 2018/10/27 15:25 | Okuno, Ayaka v Shaffer, Kennedy | 3-6,0-6 |
| ITF Women Saguenay | 2018/10/20 20:20 | Dasha Ivanova v Okuno, Ayaka | 6-3,7-5 |
| ITF - W15 Antalya | 2019/01/16 12:55 | Ozturk, Zeynep Naz v Stephanie Judith Visscher | 1-6,3-6 |
| Lotto NK Tennis Women | 2018/12/12 12:30 | Suzan Lamens v Stephanie Judith Visscher | 1-6,6-2,5-4 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/12/07 10:00 | Stephanie Judith Visscher v Dia Evtimova | 2-6,2-6 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/12/07 06:00 | Stephanie Judith Visscher v Mariya Poduraeva | 6-2,6-2 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/12/01 06:00 | Stephanie Judith Visscher v Pospelova, Aleksandra | 1-6,4-6 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/11/30 15:30 | Stephanie Judith Visscher v Pospelova, Aleksandra | 1-6,4-6 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/11/27 09:30 | Stephanie Judith Visscher v Tolibova, Sadafmoh | 6-3,6-0 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/11/26 08:10 | Stephanie Judith Visscher v Horvath, Adrienn | 7-5,7-5 |