Round: 45 Ground: Hardcourt outdoor
| WTA Gstaad Qual | 2018/07/14 09:50 | Diana Maria Mihail v Jessica Pieri | 0-6,1-6 |
| ITF Women Hammamet | 2018/06/26 08:30 | Anna Siskova v Diana Maria Mihail | 6-0,6-0 |
| ITF Women Amarante | 2018/06/17 09:00 | Diana Maria Mihail v Natalia Orlova | 3-6,1-6 |
| ITF Women Tbilisi Qual | 2018/04/29 09:30 | Daria Kudashova v Diana Maria Mihail | 6-2,6-1 |
| ITF Women Manama | 2018/03/19 08:00 | Quirine Lemoine v Diana Maria Mihail | 6-1,6-0 |
| ITF Women Hammamet | 2018/02/21 11:30 | Marie Temin v Diana Maria Mihail | 6-0,6-1 |
| ITF Women Cairo | 2017/12/06 08:30 | Diana Maria Mihail v Verena Meliss | 0-6,0-6 |
| ITF Women Dakar Qual | 2017/11/11 12:30 | Diana Maria Mihail v Rosalie Van Der Hoek | 1-6,1-6 |