Stadium: Court 2 Round: 64
| WTA Strasbourg Qual | 2018/05/18 09:00 | Silvia Soler-Espinosa v Marina Melnikova | 5-7,2-6 |
| WTA Prague Qual | 2018/04/29 11:25 | Marina Melnikova v Patty Schnyder | 3-6,5-7 |
| WTA Prague Qual | 2018/04/28 11:00 | Aneta Kucmova v Marina Melnikova | 2-6,1-6 |
| WTA Stuttgart Qual | 2018/04/21 19:25 | Dayana Yastremska v Marina Melnikova | 6-3,6-3 |
| ITF Women Chiasso | 2018/04/19 10:30 | Anastasia Grymalska v Marina Melnikova | 2-6,7-6,6-2 |
| ITF Women Chiasso | 2018/04/18 14:45 | Marina Melnikova v Fiona Ferro | 7-5,6-2 |
| ITF Women Tunis Qual | 2018/04/11 11:00 | Sherazad Reix v Marina Melnikova | 6-4,6-3 |
| ITF Women Croissy-Beaubourg Qual | 2018/03/25 12:00 | Marina Melnikova v Dejana Radanovic | 3-6,5-7 |
| WTA Strasbourg Qual | 2018/05/18 09:00 | Wallis Vitis v Ganna Poznikhirenko | 3-6,2-6 |
| ITF Women Tbilisi | 2018/05/02 12:30 | Andreea Amalia Rosca v Ganna Poznikhirenko | 0-6,6-2,6-3 |
| ITF Women Tbilisi | 2018/05/01 06:00 | Estelle Cascino v Ganna Poznikhirenko | 4-6,4-6 |
| ITF Women Obidos | 2018/04/27 14:30 | Pemra Ozgen v Ganna Poznikhirenko | 6-0,6-4 |
| ITF Women Obidos | 2018/04/26 09:30 | Greet Minnen v Ganna Poznikhirenko | 6-3,3-6,1-6 |
| ITF Women Obidos | 2018/04/24 12:35 | An-Sophie Mestach v Ganna Poznikhirenko | 2-6,5-7 |
| ITF Women Obidos | 2018/04/19 09:00 | Ganna Poznikhirenko v Pemra Ozgen | 1-6,6-2,1-6 |
| ITF Women Obidos | 2018/04/18 09:30 | Ganna Poznikhirenko v Romy Koelzer | 6-2,6-0 |