Stadium: Court 3 Round: 27
| ITF Women Alkmaar | 2018/06/28 09:00 | Cameron, Dainah v Szupper, Marlies | 0-6,0-6 |
| ITF Women Alkmaar | 2018/06/26 13:25 | Noa Liauw A Fong v Szupper, Marlies | 3-6,3-6 |
| Cairo, Singles W-WITF-EGY-02A | 2018/05/04 10:30 | Reddy, Snehadevi S v Szupper, Marlies | 6-1,6-0 |
| Cairo, Singles W-WITF-EGY-02A | 2018/05/01 07:30 | Szupper, Marlies v Talcott, Shelby | 2-6,6-4,6-2 |
| Cairo, Singles W-WITF-EGY-02A | 2018/04/25 14:10 | Abou Zekry, Ola v Szupper, Marlies | 6-1,2-6,6-2 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/04/19 10:00 | Szupper, Marlies v Lysa, Yuliya | 3-6,3-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/04/18 13:05 | Szupper, Marlies v Bonic, Barbara | 6-3,6-7,6-1 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/04/09 08:00 | Szupper, Marlies v Le Bihan, Kelia | 1-6,4-6 |
| ITF Women Alkmaar | 2018/06/28 09:00 | Stephanie Judith Visscher v Yudanov, Marina | 5-7,3-6 |
| ITF Women Alkmaar | 2018/06/27 10:45 | Melgers, Annick v Yudanov, Marina | 3-6,3-6 |
| ITF Women Ystad Qual | 2018/06/17 09:45 | Anastasia Kulikova v Yudanov, Marina | 0-6,7-5,7-5 |
| ITF Women Ystad Qual | 2018/06/16 08:15 | Helgesson, Molly v Yudanov, Marina | 5-7,4-6 |
| ITF Women Gothenburg | 2018/05/17 08:00 | Yudanov, Marina v Alice Rame | 6-4,3-6,1-6 |
| ITF Women Gothenburg | 2018/05/16 10:35 | Karola Patricia Bejenaru v Yudanov, Marina | 6-7,7-5,2-6 |
| ITF Women Karlskrona | 2018/05/09 11:00 | Yudanov, Marina v Barritza, Karen | 6-2,6-7,3-6 |
| Cairo, Singles W-WITF-EGY-02A | 2018/05/04 09:40 | Nuria Parrizas-Diaz v Yudanov, Marina | 6-4,6-1 |