Stadium: C Round: 26
| ITF Women Essen | 2018/06/12 12:00 | Pemra Ozgen v Diana Marcinkevica | 6-4,6-2 |
| ITF Women Padova | 2017/06/13 09:00 | Diana Marcinkevica v Pemra Ozgen | 1-6,3-6 |
| ITF Women Stuttgart | 2018/06/26 14:20 | Akgul Amanmuradova v Pemra Ozgen | 3-6,3-6 |
| ITF Women Essen | 2018/06/15 10:30 | Cindy Burger v Pemra Ozgen | 6-4,6-2 |
| ITF Women Essen | 2018/06/14 13:20 | Nathaly Kurata v Pemra Ozgen | 6-7,3-6 |
| ITF Women Essen | 2018/06/13 10:30 | Karen Barritza v Pemra Ozgen | 4-6,6-2,4-6 |
| ITF Women Essen | 2018/06/12 12:00 | Pemra Ozgen v Diana Marcinkevica | 6-4,6-2 |
| ITF Women Stare Splavy | 2018/06/07 10:10 | Pemra Ozgen v Rebecca Sramkova | 3-6,4-6 |
| ITF Women Stare Splavy | 2018/06/06 09:35 | Pemra Ozgen v Katerina Vankova | 6-1,6-1 |
| ITF Women Grado | 2018/05/29 09:00 | Lisa Matviyenko v Pemra Ozgen | 7-5,6-4 |
| ITF Women Stuttgart | 2018/06/26 13:00 | Tammi Patterson v Diana Marcinkevica | 5-7,2-6 |
| ITF Women Klosters | 2018/06/19 08:00 | Amra Sadikovic v Diana Marcinkevica | 6-4,6-0 |
| ITF Women Essen | 2018/06/12 12:00 | Pemra Ozgen v Diana Marcinkevica | 6-4,6-2 |
| ITF Women Brescia | 2018/06/05 12:50 | Diana Marcinkevica v Kayla Day | 6-0,6-1 |
| ITF Women Grado | 2018/05/28 08:30 | Renata Zarazua v Diana Marcinkevica | 6-2,6-7,6-2 |
| WTA Strasbourg Qual | 2018/05/18 11:55 | Jessica Pieri v Diana Marcinkevica | 3-6,7-5,6-3 |
| ITF Women Cagnes-Sur-Mer Qual | 2018/05/05 12:10 | Harmony Tan v Diana Marcinkevica | 7-6,6-4 |
| WTA Prague Qual | 2018/04/28 13:35 | Diana Marcinkevica v Misaki Doi | 4-6,7-5,1-6 |