Stadium: Court 13 Round: 29 Ground: Hardcourt outdoor
| ITF Women La Bisbal | 2018/05/15 07:30 | Vitalia Diatchenko v Giulia Gatto Monticone | 6-2,7-6 |
| ITF Women Khimki | 2018/05/04 08:00 | Vitalia Diatchenko v Vera Lapko | 5-7,3-6 |
| ITF Women Khimki | 2018/05/03 11:35 | Vitalia Diatchenko v Nina Stojanovic | 6-3,6-0 |
| ITF Women Khimki | 2018/05/02 14:10 | Vitalia Diatchenko v Valeriya Strakhova | 6-2,7-6 |
| ITF Women Khimki | 2018/04/30 13:05 | Vitalia Diatchenko v Sofya Lansere | 4-6,6-2,6-3 |
| ITF Women Quanzhou | 2018/04/23 07:00 | Luksika Kumkhum v Vitalia Diatchenko | 6-2,6-3 |
| WTA Zhengzhou | 2018/04/17 05:20 | Miharu Imanishi v Vitalia Diatchenko | 6-4,7-5 |
| ITF Women Istanbul | 2018/04/10 08:15 | Vitalia Diatchenko v Ekaterine Gorgodze | 7-5,5-7,3-6 |
| 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 |
| WTA Bogota | 2018/04/12 15:00 | Valentini Grammatikopoulou v Johanna Larsson | 6-4,4-6,4-6 |
| WTA Bogota | 2018/04/11 15:00 | Valentini Grammatikopoulou v Miyu Kato | 5-7,6-4,6-4 |
| WTA Bogota Qual | 2018/04/08 17:15 | Valentini Grammatikopoulou v Irina Khromacheva | 7-6,7-6 |