Stadium: C Round: 26
| ITF Women Ramat Hasharon | 2016/10/06 08:15 | Melis Sezer v Kobelt, Madeleine | 4-6,7-6,6-0 |
| ITF Women Sajur | 2018/05/07 09:00 | Kobelt, Madeleine v Bruner, Nitzan | 6-0,6-0 |
| ITF Women Akko | 2018/05/01 10:00 | Kobelt, Madeleine v Lukacs, Vanda | 6-3,4-6,1-6 |
| Cairo, Singles W-WITF-EGY-02A | 2018/04/26 10:00 | Kobelt, Madeleine v Roemer, Charlotte | 3-6,4-6 |
| Cairo, Singles W-WITF-EGY-02A | 2018/04/25 08:00 | Patrascu, Maria v Kobelt, Madeleine | 4-6,7-6,3-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/04/19 08:00 | Julia Terziyska v Kobelt, Madeleine | 6-1,6-1 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/04/18 09:20 | Kobelt, Madeleine v Talcott, Shelby | 6-3,6-2 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/04/16 08:00 | Kobelt, Madeleine v van Heerden, Nadia | 6-0,6-0 |
| 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 |
| ITF Women Sajur | 2018/05/08 15:05 | Akler, Yarden v Melis Sezer | 3-6,4-6 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/05/01 11:30 | Melis Sezer v Sarioglan, Zeynep Sena | 6-7,2-6 |
| WTA Istanbul Qual | 2018/04/22 11:30 | Hogenkamp, Richel v Melis Sezer | 6-4,7-6 |
| ITF Women Istanbul Qual | 2018/04/08 11:25 | Melis Sezer v Natalija Stevanovic | 4-6,4-6 |
| ITF Women Istanbul Qual | 2018/04/07 11:25 | Melis Sezer v Konig, Pia | 6-4,7-6 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/03/30 10:50 | Melis Sezer v Valeriya Strakhova | 0-6,3-6 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/03/30 07:00 | Melany Solange Krywoj v Melis Sezer | 3-6,3-6 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/03/28 07:30 | Stamat, Vitalia v Melis Sezer | 6-3,4-6,5-7 |