Stadium: Tillman's Court Round: 54
| ITF Women Versmold Qual | 2018/07/09 11:00 | Miriam Kolodziejova v Carolina Alves | 6-3,6-2 |
| ITF Women Torun | 2018/06/28 11:50 | Barbora Krejcikova v Miriam Kolodziejova | 5-7,6-3,7-5 |
| ITF Women Torun | 2018/06/27 12:15 | Tereza Mihalikova v Miriam Kolodziejova | 0-6,6-4,1-6 |
| ITF Women Klosters | 2018/06/23 08:30 | Isabella Shinikova v Miriam Kolodziejova | 7-5,4-6,1-6 |
| ITF Women Klosters | 2018/06/22 09:50 | Miriam Kolodziejova v Mandy Minella | 6-1,6-1 |
| ITF Women Klosters | 2018/06/21 08:00 | Miriam Kolodziejova v Yuki Naito | 4-6,7-6,6-2 |
| ITF Women Klosters | 2018/06/20 08:00 | Miriam Kolodziejova v Greet Minnen | 4-6,6-3,6-3 |
| ITF Women Klosters | 2018/06/18 09:40 | Miriam Kolodziejova v Arlinda Rushiti | 6-3,6-2 |
| ITF Women Versmold Qual | 2018/07/09 11:00 | Aymet Uzcategui v Katarzyna Piter | 4-6,2-6 |
| ITF Women Versmold Qual | 2018/07/08 10:30 | Petra Krejsova v Katarzyna Piter | 2-6,2-6 |
| ITF Women Torun | 2018/06/26 16:05 | Katarzyna Piter v Marina Melnikova | 6-4,5-7,3-6 |
| WTA Hertogenbosch Qual | 2018/06/10 09:00 | Valentini Grammatikopoulou v Katarzyna Piter | 6-4,6-4 |
| WTA Hertogenbosch Qual | 2018/06/09 09:50 | Katarzyna Piter v Barbara Haas | 6-3,6-4 |
| ITF Women Brescia | 2018/06/06 09:30 | Francesca Di Lorenzo v Katarzyna Piter | 7-5,6-1 |
| ITF Women Brescia Qual | 2018/06/05 08:30 | Katarzyna Piter v Carolina Alves | 6-3,6-1 |
| ITF Women Brescia Qual | 2018/06/04 10:20 | Katarzyna Piter v Gabriela Ce | 6-1,6-1 |