Stadium: Court 1 Round: 54 Ground: Clay
| ITF Women Hammamet | 2018/03/20 08:30 | Camilla Scala v Maria Joao Koehler | 6-4,6-2 |
| ITF Women Hammamet | 2018/03/15 13:05 | Lucrezia Stefanini v Maria Joao Koehler | 6-2,6-3 |
| ITF Women Hammamet | 2018/03/14 12:40 | Maria Joao Koehler v Mathilde Devits | 6-0,6-4 |
| 2018 Fed Cup | 2018/02/10 15:10 | Maria Joao Koehler v Rebecca Peterson | 4-6,0-6 |
| 2018 Fed Cup | 2018/02/07 15:30 | Johanna Konta v Maria Joao Koehler | 6-1,6-0 |
| ITF Women Obidos | 2017/10/24 12:30 | Dalila Spiteri v Maria Joao Koehler | 7-6,7-5 |
| ITF Women Obidos Qual | 2017/10/23 11:30 | Maria Joao Koehler v Ana F-Villa | 6-2,6-1 |
| ITF Women Obidos Qual | 2017/10/16 12:45 | Ani Mijacika v Maria Joao Koehler | 6-2,6-4 |
| ITF Women Hammamet | 2018/03/26 09:00 | Esther Bataille v Sarah Pang | 6-0,7-5 |
| ITF Women Hammamet | 2018/02/19 08:30 | Anna Makhorkina v Esther Bataille | 6-1,6-4 |
| ITF Women Hammamet | 2018/02/14 09:45 | Mia Nicole Eklund v Esther Bataille | 3-6,6-2,6-3 |
| ITF Women Hammamet | 2018/02/11 09:00 | Esther Bataille v Camille Cheli | 6-2,6-3 |