Stadium: Show Court Round: 26 Ground: Clay
| WTA Nurnberg | 2018/05/20 13:10 | Lara Arruabarrena v Katharina Hobgarski | 7-6,6-1 |
| WTA Rome Qual | 2018/05/12 12:55 | Lara Arruabarrena v Qiang Wang | 6-7,1-6 |
| WTA Madrid | 2018/05/07 16:00 | Lara Arruabarrena v Julia Goerges | 6-2,4-6,2-6 |
| WTA Madrid | 2018/05/05 12:30 | Marta Kostyuk v Lara Arruabarrena | 3-6,6-4,2-6 |
| WTA Rabat | 2018/05/01 10:00 | Aleksandra Krunic v Lara Arruabarrena | 6-2,6-7,6-2 |
| WTA Bogota | 2018/04/15 17:00 | Anna Karolina Schmiedlova v Lara Arruabarrena | 6-2,6-4 |
| WTA Bogota | 2018/04/14 20:55 | Lara Arruabarrena v Dalila Jakupovic | 6-1,6-2 |
| WTA Bogota | 2018/04/13 16:45 | Lara Arruabarrena v Johanna Larsson | 6-1,6-3 |
| WTA Nurnberg | 2018/05/21 11:00 | Kristyna Pliskova v Julia Goerges | 6-2,6-7,7-6 |
| WTA Madrid | 2018/05/09 10:00 | Simona Halep v Kristyna Pliskova | 6-1,6-4 |
| WTA Madrid | 2018/05/08 11:45 | Kristyna Pliskova v Sara Sorribes Tormo | 7-5,6-2 |
| WTA Madrid | 2018/05/06 15:55 | Kristyna Pliskova v Natalia Vikhlyantseva | 6-4,6-4 |
| WTA Madrid Qual | 2018/05/05 12:40 | Ana Bogdan v Kristyna Pliskova | 6-3,5-7,2-6 |
| WTA Madrid Qual | 2018/05/04 15:00 | Irina Maria Bara v Kristyna Pliskova | 1-6,2-6 |
| WTA Prague | 2018/05/03 12:00 | Kristyna Pliskova v Mihaela Buzarnescu | 2-6,3-6 |
| WTA Prague | 2018/05/02 14:10 | Kristyna Pliskova v Qiang Wang | 6-2,7-6 |