Stadium: Tillman's Court Round: 25
| ITF Women Versmold Qual | 2018/07/10 11:00 | Miriam Kolodziejova v Katarzyna Piter | 6-7,4-6 |
| 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 Aschaffenburg | 2018/07/04 12:45 | Marie Benoit v Chiara Scholl | 7-5,6-1 |
| ITF Women Essen | 2018/06/12 17:10 | Lena Papadakis v Chiara Scholl | 6-1,6-4 |
| ITF Women Hammamet | 2018/05/29 09:30 | Chiara Scholl v Pia Cuk | 6-4,2-6,1-6 |
| ITF Women Les Franqueses | 2018/05/24 09:00 | Seone Mendez v Chiara Scholl | 7-5,6-0 |
| ITF Women Les Franqueses | 2018/05/21 10:15 | Jordan O Mendez v Chiara Scholl | 1-6,2-6 |
| ITF Women La Bisbal | 2018/05/14 10:10 | Catalina Pella v Chiara Scholl | 7-5,6-2 |
| ITF Women Monzon | 2018/05/08 11:50 | Anastasia Kulikova v Chiara Scholl | 6-0,6-3 |
| ITF Women Santa Margherita | 2018/04/26 12:00 | Ludmilla Samsonova v Chiara Scholl | 2-6,6-0,6-4 |