Stadium: Court 4 Round: 54
| ITF Women Grado Qual | 2018/05/26 13:00 | Piter, Katarzyna v Maria Camila Osorio Serrano | 4-6,2-6 |
| WTA Strasbourg | 2018/05/20 13:40 | Diyas, Zarina v Piter, Katarzyna | 6-2,6-4 |
| WTA Strasbourg Qual | 2018/05/19 11:00 | Piter, Katarzyna v Cristian, Jaqueline Adina | 6-3,6-2 |
| WTA Strasbourg Qual | 2018/05/18 15:10 | Georges, Myrtille v Piter, Katarzyna | 1-6,7-6,4-6 |
| Obidos, Singles W-WITF-POR-12A | 2018/04/25 15:35 | Urszula Radwanska v Piter, Katarzyna | 6-3,7-5 |
| Obidos, Singles W-WITF-POR-12A | 2018/04/18 10:35 | Gatto-Monticone, Giulia v Piter, Katarzyna | 7-5,4-6,6-1 |
| Obidos, Singles W-WITF-POR-12A | 2018/04/11 12:00 | Piter, Katarzyna v Kilnarova, Monika | 6-4,2-6,2-6 |
| Croissy-Beaubourg, Singles W-WITF-FRA-09A | 2018/03/28 09:30 | Diatchenko, Vitalia v Piter, Katarzyna | 6-3,6-4 |
| Rome, Singles W-WITF-ITA-10A | 2018/05/08 11:35 | Di Giuseppe, Martina v Zmau, Michele Alexandra | 6-1,7-5 |
| ITF Women Hammamet | 2018/04/27 09:00 | Rosca, Ioana Loredana v Zmau, Michele Alexandra | 2-6,6-4,6-4 |
| ITF Women Hammamet | 2018/04/26 09:00 | Ayala Serra, Nora v Zmau, Michele Alexandra | 1-6,0-6 |
| ITF Women Hammamet | 2018/04/25 09:00 | Fiona Codino v Zmau, Michele Alexandra | 0-6,2-6 |
| ITF Women Tunis | 2018/04/11 10:00 | Ho, Jessica v Zmau, Michele Alexandra | 6-2,6-4 |
| ITF Women Tunis Qual | 2018/04/09 09:00 | Isabella Shinikova v Zmau, Michele Alexandra | 6-7,3-6 |
| ITF Women Tunis Qual | 2018/04/08 08:30 | Vinciane Remy v Zmau, Michele Alexandra | 1-6,0-6 |
| ITF Women Le Havre | 2018/03/23 14:25 | Zmau, Michele Alexandra v Marine Partaud | 6-7,6-7 |