Stadium: C Round: 62 Ground: Clay
| ITF Women Vinaros | 2017/11/04 09:00 | Sonnekus-Williams, Olivia v Lopez Alcaraz, Esther | 0-6,0-6 |
| ITF Women Sant Cugat Qual | 2017/10/28 10:00 | Jiayun Zhu v Sonnekus-Williams, Olivia | 6-1,6-3 |
| ITF Women Riba-Roja De Turia | 2017/10/14 09:00 | Sonnekus-Williams, Olivia v Almudena S-L Fernandez | 1-6,2-6 |
| ITF Women Hammamet | 2017/09/20 11:25 | Daniilidou, Eleni v Sonnekus-Williams, Olivia | 6-0,6-2 |
| ITF Women Don Benito | 2017/07/16 14:30 | Sonnekus-Williams, Olivia v Maria Oliver Sanchez | 2-6,3-6 |
| ITF Women Madrid | 2017/06/03 08:00 | Sonnekus-Williams, Olivia v Benito, Ines | 4-6,7-6,6-7 |
| ITF Women La Bisbal Qual | 2017/05/14 09:00 | Anastasia Gasanova v Sonnekus-Williams, Olivia | 6-2,6-0 |
| Manacor (Mallorca), Singles Quali W-WITF-ESP-01A | 2018/02/24 13:00 | Tahan, Maya v Taylor, Ella | 6-4,6-2 |
| Palmanova, Qualifications Simples W-WITF-ESP-03A | 2018/02/17 08:30 | Tahan, Maya v Reddy, Snehadevi S | 2-6,2-6 |
| ITF Women Heraklion | 2017/11/05 10:00 | Ukolova, Anna v Tahan, Maya | 6-1,6-1 |
| ITF Women Heraklion | 2017/11/01 07:30 | Tahan, Maya v Detiuc, Anastasia | 2-6,2-6 |
| ITF Women Heraklion | 2017/10/23 07:00 | Takamura, Satsuki v Tahan, Maya | 3-6,6-2,6-1 |
| ITF Women Tel Aviv | 2017/06/27 06:30 | Hatouka, Yuliya v Tahan, Maya | 6-4,6-3 |
| ITF Women Tel Aviv | 2017/06/25 10:00 | Keren, Yuval v Tahan, Maya | 6-7,1-6 |
| ITF Women Tel Aviv | 2017/06/25 08:00 | Tahan, Maya v Younes, Kristin | 6-0,6-2 |