Stadium: Show Court Round: 25 Ground: Hardcourt indoor
| WTA Linz | 2018/10/08 08:00 | Anna Blinkova v Kristyna Pliskova | 6-1,6-2 |
| WTA Linz | 2018/10/07 10:15 | Irina Maria Bara v Kristyna Pliskova | 4-6,3-6 |
| WTA Tokyo | 2018/09/17 02:00 | Kristyna Pliskova v Daria Saville | 6-7,6-3,6-7 |
| WTA Quebec City | 2018/09/11 15:00 | Jessica Pegula v Kristyna Pliskova | 6-3,7-6 |
| WTA Chicago | 2018/09/04 15:00 | Kristyna Pliskova v Allie Kiick | 7-6,2-6,2-6 |
| US Open Women | 2018/08/28 17:00 | Kiki Bertens v Kristyna Pliskova | 6-0,7-5 |
| WTA New Haven | 2018/08/18 17:15 | Aliaksandra Sasnovich v Kristyna Pliskova | 6-1,1-6,6-1 |
| WTA New Haven Qual | 2018/08/17 16:05 | Kristyna Pliskova v Maria Mateas | 6-1,6-2 |
| WTA Linz | 2018/10/08 09:00 | Valentini Grammatikopoulou v Vitalia Diatchenko | 6-2,7-5 |
| WTA Linz | 2018/10/07 12:10 | Carina Witthoeft v Valentini Grammatikopoulou | 7-6,2-6,3-6 |
| ITF Women Valencia | 2018/09/26 09:00 | Andrea Gamiz v Valentini Grammatikopoulou | 3-6,6-4,6-2 |
| ITF Women Zagreb | 2018/09/06 10:55 | Kaja Juvan v Valentini Grammatikopoulou | 6-3,6-2 |
| ITF Women Zagreb | 2018/09/05 10:55 | Lea Boskovic v Valentini Grammatikopoulou | 3-6,6-7 |
| ITF Women Bagnatica | 2018/08/31 12:30 | Valentini Grammatikopoulou v Jasmine Paolini | 2-6,3-6 |
| ITF Women Bagnatica | 2018/08/29 12:00 | Valentini Grammatikopoulou v Marie Benoit | 7-6,6-4 |
| ITF Women Bagnatica | 2018/08/28 14:20 | Valentini Grammatikopoulou v Camilla Scala | 4-6,6-1,6-1 |