Stadium: Court 3 Round: 25 Ground: Synthetic outdoor
| ITF Women Obidos Qual | 2018/04/09 09:00 | Maria Joao Koehler v Yuliya Hatouka | 4-6,4-6 |
| ITF Women Hammamet | 2018/03/29 13:40 | Montserrat Gonzalez v Maria Joao Koehler | 6-3,7-6 |
| ITF Women Hammamet | 2018/03/28 08:30 | Nefisa Berberovic v Maria Joao Koehler | 2-6,3-6 |
| ITF Women Hammamet | 2018/03/26 13:30 | Maria Joao Koehler v Esther Bataille | 6-1,6-3 |
| 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 |
| ITF Women Santa Margherita | 2018/04/11 14:25 | Ludmilla Samsonova v Olga Saez Larra | 6-4,3-6,6-2 |
| ITF Women Santa Margherita | 2018/03/29 17:10 | Mandy Minella v Olga Saez Larra | 7-5,6-2 |
| ITF Women Santa Margherita | 2018/03/28 18:45 | Olga Saez Larra v Myrtille Georges | 6-3,4-6,7-6 |
| ITF Women Santa Margherita | 2018/03/22 19:10 | Lucrezia Stefanini v Olga Saez Larra | 3-6,6-2,6-3 |
| ITF Women Altenkirchen | 2018/02/20 12:00 | Karolina Muchova v Olga Saez Larra | 7-6,6-2 |
| ITF Women Loughborough | 2018/02/10 10:30 | Conny Perrin v Olga Saez Larra | 6-4,6-4 |
| ITF Women Loughborough | 2018/02/09 13:00 | Olga Saez Larra v Jesika Maleckova | 6-3,2-6,7-6 |
| ITF Women Loughborough | 2018/02/08 10:00 | Olga Saez Larra v Michaella Krajicek | 6-4,6-4 |