Stadium: Court 15 Round: 44 Ground: Clay
| ITF Women Saint Gaudens | 2018/05/18 12:00 | Quirine Lemoine v Valentini Grammatikopoulou | 6-2,6-4 |
| ITF Women Saint Gaudens | 2018/05/17 15:00 | Valentini Grammatikopoulou v Richel Hogenkamp | 7-6,6-1 |
| ITF Women Saint Gaudens | 2018/05/16 08:00 | Valentini Grammatikopoulou v Kimberly Birrell | 4-6,7-5,6-2 |
| ITF Women Khimki | 2018/05/02 10:30 | Valentini Grammatikopoulou v Julia Glushko | 4-6,6-7 |
| ITF Women Khimki | 2018/05/01 09:45 | Valentini Grammatikopoulou v Angelina Gabueva | 6-7,7-6,6-4 |
| 2018 Fed Cup | 2018/04/21 08:00 | Valentini Grammatikopoulou v Eleonora Molinaro | 3-6,6-3,4-6 |
| 2018 Fed Cup | 2018/04/20 08:00 | Clara Tauson v Valentini Grammatikopoulou | 7-6,6-7,0-6 |
| 2018 Fed Cup | 2018/04/19 08:00 | Dona Abo Habaga v Valentini Grammatikopoulou | 2-6,3-6 |
| ITF Women Dothan | 2018/04/18 19:40 | Marine Partaud v Sofya Zhuk | 6-0,6-2 |
| WTA Miami Qual | 2018/03/19 15:20 | Sofya Zhuk v Nicole Gibbs | 2-6,0-6 |
| WTA Indian Wells | 2018/03/12 20:20 | Danielle Rose Collins v Sofya Zhuk | 6-4,6-4 |
| WTA Indian Wells | 2018/03/10 19:00 | Sofya Zhuk v Magdalena Rybarikova | 6-3,2-6,7-5 |
| WTA Indian Wells | 2018/03/08 22:50 | Sofya Zhuk v Alize Cornet | 7-5,6-4 |
| WTA Dubai | 2018/02/20 11:15 | Sofya Zhuk v Carla Suarez Navarro | 2-6,2-6 |
| WTA Dubai Qual | 2018/02/19 08:30 | Qiang Wang v Sofya Zhuk | 1-6,2-6 |
| WTA Dubai Qual | 2018/02/17 07:45 | Alexandra Dulgheru v Sofya Zhuk | 6-7,6-7 |