Stadium: Court 4 Round: 54 Ground: Hardcourt outdoor
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/04/09 08:00 | Lamis Alhussein Abdel Aziz v Kobelt, Madeleine | 6-7,6-4,7-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/04/04 11:50 | Kobelt, Madeleine v Caroline Werner | 1-6,2-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/04/02 08:00 | Kobelt, Madeleine v Kakuya, Akiho | 6-3,3-6,6-1 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/04/01 08:00 | Kobelt, Madeleine v Montez, Pamela | 4-6,6-2,6-4 |
| ITF Women Tel Aviv | 2018/03/23 08:25 | Nadel, Nicole v Kobelt, Madeleine | 4-6,7-6,6-3 |
| ITF Women Tel Aviv | 2018/03/22 11:30 | Kobelt, Madeleine v Marker, Lauren | 6-2,1-6,6-3 |
| ITF Women Tel Aviv | 2018/03/21 08:00 | Barad Itzhaki, Tamara v Kobelt, Madeleine | 1-6,2-6 |
| ITF Women Tel Aviv | 2018/03/19 08:00 | Kobelt, Madeleine v Kseniya Yersh | 7-6,6-3 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/04/15 08:00 | Spoljaric, Anamarija v van Heerden, Nadia | 4-6,3-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/04/08 10:30 | van Heerden, Nadia v Chen, Pei Hsuan | 1-6,2-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/04/01 08:00 | Abou Zekry, Ola v van Heerden, Nadia | 6-0,6-2 |
| ITF Women Hammamet | 2018/03/03 09:00 | van Heerden, Nadia v Kasum, Elba | 1-6,4-6 |
| ITF Women Hammamet | 2018/02/25 11:00 | van Heerden, Nadia v Bouzgarrou, Mouna | 3-6,3-6 |
| ITF Women Hammamet | 2018/02/19 08:30 | van Heerden, Nadia v Gai, Clarissa | 4-6,1-6 |
| ITF Women Stellenbosch Qual | 2017/12/02 14:00 | de Waal, Corin v van Heerden, Nadia | 6-0,6-2 |
| ITF Women Stellenbosch Qual | 2017/11/25 14:15 | Chantraine, Elisabeth v van Heerden, Nadia | 6-4,6-1 |