Stadium: Court 1 Round: 25 Ground: Clay
| ITF Women Corroios-Seixal | 2018/07/05 15:45 | Panna Udvardy v Oliveira, Leonor | 6-3,6-0 |
| ITF Women Corroios-Seixal | 2018/07/03 13:00 | Nuria Brancaccio v Oliveira, Leonor | 3-6,4-6 |
| ITF Women Guimaraes | 2018/06/23 09:00 | Oliveira, Leonor v Yuriko Lily Miyazaki | 6-2,4-6,3-6 |
| Obidos, Singles W-WITF-POR-12A | 2018/06/12 10:50 | Oliveira, Leonor v Nuria Parrizas-Diaz | 1-6,1-6 |
| ITF Women Obidos Qual | 2018/06/03 10:30 | Oliveira, Leonor v Anna Klasen | 1-6,0-6 |
| ITF Women Obidos Qual | 2018/05/28 09:30 | Francisca Jorge v Oliveira, Leonor | 6-1,3-6,6-0 |
| ITF Women Obidos Qual | 2018/05/26 09:30 | Oliveira, Leonor v de Lucas Perez, Yesica | 6-2,6-1 |
| ITF Women Oeiras | 2018/05/23 09:30 | Oliveira, Leonor v Francisca Jorge | 2-6,0-6 |
| ITF Women Darmstadt | 2018/07/18 13:30 | Isabella Shinikova v Matvienko, Lisa | 6-4,6-4 |
| ITF Women Versmold Qual | 2018/07/08 10:40 | Matvienko, Lisa v Amina Anshba | 6-7,6-4,4-6 |
| ITF Women Bastad | 2018/06/28 15:10 | Kaja Juvan v Matvienko, Lisa | 6-1,6-2 |
| ITF Women Bastad | 2018/06/26 08:45 | Kennel, Karin v Matvienko, Lisa | 2-6,3-6 |
| ITF Women Ystad | 2018/06/20 08:15 | Kaja Juvan v Matvienko, Lisa | 6-1,6-2 |
| ITF Women Ystad | 2018/06/19 12:25 | Sandra Samir v Matvienko, Lisa | 2-6,4-6 |
| ITF Women Grado | 2018/05/30 11:30 | Soler-Espinosa, Silvia v Matvienko, Lisa | 6-2,6-3 |
| ITF Women Grado | 2018/05/29 09:00 | Matvienko, Lisa v Pemra Ozgen | 7-5,6-4 |