Stadium: SPARKS Round: 44
| ITF Women Setubal Qual | 2018/07/08 13:00 | Arlinda Rushiti v Olga Helmi | 1-6,6-2,2-6 |
| ITF Women Setubal Qual | 2018/07/07 15:30 | Olga Helmi v Kempster, Sashi | 6-3,6-1 |
| ITF Women Guimaraes | 2018/06/25 10:00 | Saar, Katriin v Olga Helmi | 1-6,7-6,6-1 |
| ITF Women Guimaraes | 2018/06/24 09:00 | Almudena S-L Fernandez v Olga Helmi | 6-7,1-6 |
| ITF Women Amarante | 2018/06/21 14:30 | Olga Helmi v Carrillo Marin, Alba | 4-6,2-6 |
| ITF Women Amarante | 2018/06/20 09:00 | Koehler, Maria Joao v Olga Helmi | 3-6,2-6 |
| ITF Women Amarante | 2018/06/18 09:00 | Olga Helmi v Stewart, Jane | 6-1,6-1 |
| ITF Women Amarante | 2018/06/17 09:00 | Olga Helmi v Garshong, Iman | 6-0,6-1 |
| ITF Women Setubal Qual | 2018/07/08 14:00 | Delgado, Luniuska v Guttierez Carrasco, Maria | 5-7,2-6 |
| ITF Women Bastad | 2018/06/28 11:45 | Ulrikke Eikeri v Guttierez Carrasco, Maria | 6-4,6-2 |
| ITF Women Bastad | 2018/06/27 10:20 | Guttierez Carrasco, Maria v Arbuthnott, Emily | 6-0,6-2 |
| ITF Women Bastad Qual | 2018/06/25 09:35 | Guttierez Carrasco, Maria v Chen, Pei Hsuan | 7-6,6-4 |
| ITF Women Bastad Qual | 2018/06/24 11:00 | Guttierez Carrasco, Maria v Ortevall, Sandra | 7-6,6-0 |
| ITF Women Madrid Qual | 2018/06/18 10:40 | Victoria Bosio v Guttierez Carrasco, Maria | 4-6,6-3,6-2 |
| ITF Women Barcelona | 2018/06/14 14:10 | Saez Larra, Olga v Guttierez Carrasco, Maria | 6-4,7-6 |
| ITF Women Barcelona | 2018/06/12 08:30 | Guttierez Carrasco, Maria v Suvrijn, Jade | 6-1,6-2 |