Round: 25 Ground: Hardcourt outdoor
| ITF Heraclión - Femenino | 2018/03/19 09:30 | Marlies Szupper v Rozalina Youseva | 7-5,6-4 |
| ITF Heraclión - Femenino | 2018/03/18 09:30 | Marlies Szupper v Milica Vujovic | 6-1,7-6 |
| ITF Women Sharm El Sheikh | 2018/01/28 08:00 | Marlies Szupper v Nadja Gilchrist | 2-6,1-6 |
| ITF Women Sharm El Sheikh | 2018/01/21 09:00 | Haine Ogata v Marlies Szupper | 6-2,6-2 |
| ITF Women Sharm El Sheikh | 2018/01/17 08:00 | Anastasia Potapova v Marlies Szupper | 6-0,6-2 |
| ITF Women Sharm El Sheikh | 2018/01/15 08:00 | Marlies Szupper v Qianxin Kong | 7-5,6-3 |
| ITF Stellenbosch - Femenino | 2017/12/06 13:15 | Chanel Simmonds v Marlies Szupper | 6-4,6-4 |
| ITF Stellenbosch - Femenino | 2017/11/28 09:25 | Laura Sainsbury v Marlies Szupper | 6-7,6-4,6-4 |