Stadium: C Round: 62
| ITF Women Brussels Qual | 2018/07/15 09:00 | Mareen, Axana v Sapfo Sakellaridi | 6-4,6-2 |
| ITF Women Knokke | 2018/07/11 08:00 | Mareen, Axana v Lara Salden | 3-6,2-6 |
| ITF Women Den Haag Qual | 2018/07/01 08:00 | Mareen, Axana v Tilbuerger, Jantje | 4-6,6-2,2-6 |
| ITF Women Den Haag Qual | 2018/06/30 09:30 | Mareen, Axana v Nina Ugrelidze | 6-0,6-3 |
| ITF Women Hammamet | 2018/06/28 08:30 | Brito, Fernanda v Mareen, Axana | 6-1,6-2 |
| ITF Women Hammamet | 2018/06/27 11:35 | Mareen, Axana v Gomez, Maria | 6-1,6-1 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/04/17 07:30 | Mareen, Axana v Panova, Alexandra | 1-6,2-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/02/21 08:00 | Guttierez Carrasco, Maria v Mareen, Axana | 3-6,6-2,6-3 |
| ITF Women Brussels Qual | 2018/07/15 09:00 | Audenaert, Eline v Gaia Squarcialupi | 6-3,5-7,6-3 |
| ITF Women Brussels Qual | 2018/07/14 08:55 | Brdys, Samantha v Audenaert, Eline | 1-6,6-3,1-6 |
| ITF Women Knokke | 2018/07/08 10:00 | Audenaert, Eline v Maquet, Margaux | 1-6,0-6 |
| ITF Women Knokke | 2018/07/07 12:30 | Rubbrecht, Antje v Audenaert, Eline | 2-6,6-1,4-6 |
| ITF Women Cordenons | 2017/12/09 09:00 | de Vito, Chiara v Audenaert, Eline | 6-0,3-6,6-3 |
| ITF Women Stellenbosch Qual | 2017/11/18 12:35 | Audenaert, Eline v Scandalis, Zoe Gwen | 3-6,2-6 |