Stadium: Court 2 Round: 25
| ITF Women Alkmaar | 2018/06/26 13:25 | Noa Liauw A Fong v Szupper, Marlies | 3-6,3-6 |
| ITF Women Oldenzaal | 2018/08/16 12:10 | Tayisiya Morderger v Szupper, Marlies | 6-1,6-2 |
| ITF Women Oldenzaal | 2018/08/14 07:30 | Kommer, Franziska v Szupper, Marlies | 2-6,2-6 |
| ITF Women Vienna | 2018/07/18 10:00 | Szupper, Marlies v Francesca Jones | 6-3,6-7,5-7 |
| ITF Women Vienna | 2018/07/17 10:00 | Szupper, Marlies v Abou Zekry, Ola | 6-2,6-3 |
| Matchs amicaux U18 | 2018/07/11 10:45 | Rosenqvist, Julia v Szupper, Marlies | 6-4,6-2 |
| ITF Women Den Haag | 2018/07/05 08:00 | Steur, Julyette Maria Josephine v Szupper, Marlies | 3-6,7-5,6-3 |
| ITF Women Den Haag | 2018/07/04 09:55 | Szupper, Marlies v Horackova, Gabriela | 7-6,6-2 |
| ITF Women Den Haag Qual | 2018/07/02 08:00 | Szupper, Marlies v Haverlag, Isabelle | 6-3,6-3 |
| ITF Women Oldenzaal | 2018/08/14 09:05 | Noa Liauw A Fong v Karola Patricia Bejenaru | 6-7,2-6 |
| ITF Women Brussels | 2018/07/19 11:00 | Noa Liauw A Fong v Eliessa Vanlangendonck | 1-6,2-6 |
| ITF Women Brussels | 2018/07/18 09:00 | Noa Liauw A Fong v Chantraine, Catherine | 6-3,6-4 |
| ITF Women Brussels Qual | 2018/07/16 09:00 | Luini, Sofia v Noa Liauw A Fong | 3-6,1-6 |
| ITF Women Brussels Qual | 2018/07/15 11:00 | Noa Liauw A Fong v Kathleen Kanev | 7-5,6-2 |
| ITF Women Brussels Qual | 2018/07/14 13:05 | Noa Liauw A Fong v Rabiot, Lucie | 6-3,6-1 |
| Matchs amicaux U18 | 2018/07/11 09:00 | Eliessa Vanlangendonck v Noa Liauw A Fong | 7-6,6-1 |
| Matchs amicaux U18 | 2018/07/09 11:30 | Melgers, Annick v Noa Liauw A Fong | 3-6,0-6 |