Stadium: Court 4 Round: 54
| 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 |
| ITF Women Obidos | 2018/04/25 15:35 | Urszula Radwanska v Katarzyna Piter | 6-3,7-5 |
| ITF Women Obidos | 2018/04/18 10:35 | Giulia Gatto Monticone v Katarzyna Piter | 7-5,4-6,6-1 |
| ITF Women Obidos | 2018/04/11 12:00 | Katarzyna Piter v Monika Kilnarova | 6-4,2-6,2-6 |
| ITF Women Croissy-Beaubourg | 2018/03/28 09:30 | Vitalia Diatchenko v Katarzyna Piter | 6-3,6-4 |
| ITF Women Rome | 2018/05/08 11:35 | Martina Di Giuseppe v Michele Alexandra Zmau | 6-1,7-5 |
| ITF Women Hammamet | 2018/04/27 09:00 | Ioana Loredana Rosca v Michele Alexandra Zmau | 2-6,6-4,6-4 |
| ITF Women Hammamet | 2018/04/26 09:00 | Nora Ayala Serra v Michele Alexandra Zmau | 1-6,0-6 |
| ITF Women Hammamet | 2018/04/25 09:00 | Fiona Codino v Michele Alexandra Zmau | 0-6,2-6 |
| ITF Women Tunis | 2018/04/11 10:00 | Jessica Ho v Michele Alexandra Zmau | 6-2,6-4 |
| ITF Women Tunis Qual | 2018/04/09 09:00 | Isabella Shinikova v Michele Alexandra Zmau | 6-7,3-6 |
| ITF Women Tunis Qual | 2018/04/08 08:30 | Vinciane Remy v Michele Alexandra Zmau | 1-6,0-6 |
| ITF Women Le Havre | 2018/03/23 14:25 | Michele Alexandra Zmau v Marine Partaud | 6-7,6-7 |