Stadium: Court 5 Round: 45 Ground: Grass
| 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 |
| ITF Women Brescia Qual | 2018/06/03 12:25 | Katarzyna Piter v Michele Alexandra Zmau | 6-1,6-4 |
| ITF Women Grado Qual | 2018/05/26 13:00 | Katarzyna Piter v Maria Camila Osorio | 4-6,2-6 |
| WTA Strasbourg | 2018/05/20 13:40 | Zarina Diyas v Katarzyna Piter | 6-2,6-4 |
| WTA Strasbourg Qual | 2018/05/19 11:00 | Katarzyna Piter v Jaqueline Adina Cristian | 6-3,6-2 |
| WTA Strasbourg Qual | 2018/05/18 15:10 | Myrtille Georges v Katarzyna Piter | 1-6,7-6,4-6 |
| French Open Women Qual | 2018/05/23 11:40 | Barbara Haas v Magdalena Frech | 3-6,6-7 |
| ITF Women La Bisbal | 2018/05/14 10:00 | Barbara Haas v Jessica Ho | 7-5,6-1 |
| ITF Women Rome | 2018/05/08 07:30 | Lisa Sabino v Barbara Haas | 7-5,6-2 |
| ITF Women Charlottesville | 2018/04/26 15:15 | Sesil Karatantcheva v Barbara Haas | 6-3,6-2 |
| ITF Women Dothan | 2018/04/20 17:30 | Francesca Di Lorenzo v Barbara Haas | 6-4,6-1 |
| ITF Women Dothan | 2018/04/19 15:00 | Camilla Rosatello v Barbara Haas | 6-2,3-6,3-6 |
| ITF Women Dothan | 2018/04/17 23:00 | Barbara Haas v Kristie Ahn | 6-1,6-3 |
| ITF Women Pelham | 2018/04/13 16:00 | Aliona Bolsova Zadoinov v Barbara Haas | 6-2,6-2 |