Stadium: Court 2 Round: 62
| ITF Women Warsaw Qual | 2018/08/04 10:00 | Daniela Vismane v Jaskiewicz, Karolina | 6-1,6-3 |
| ITF Women Jablonec Nad Nisou Qual | 2018/06/25 08:00 | Timea Jaruskova v Jaskiewicz, Karolina | 6-1,6-2 |
| ITF Women Jablonec Nad Nisou Qual | 2018/06/23 09:00 | Jaskiewicz, Karolina v Kareisova, Ludmila | 1-6,6-2,6-3 |
| ITF Women Prerov Qual | 2018/06/10 11:45 | Jaskiewicz, Karolina v Hajkova, Klara | 2-6,0-6 |
| ITF Women Prerov Qual | 2018/06/10 08:00 | Petruzelova, Marketa v Jaskiewicz, Karolina | 6-2,3-6,1-6 |
| ITF Women Prerov Qual | 2018/06/09 08:00 | Jaskiewicz, Karolina v Nikoletta Muller | 6-0,6-2 |
| ITF Women Stare Splavy Qual | 2018/06/03 08:00 | Jaskiewicz, Karolina v Yana Morderger | 3-6,1-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/04/07 13:00 | Jaskiewicz, Karolina v Sukhotina, Anastasia | 3-6,6-7 |
| ITF Women Arad Qual | 2018/08/05 08:00 | Sebrek, Andjela v Cianci, Claudia | 1-6,6-3,6-3 |
| ITF Women Corroios-Seixal | 2018/07/01 09:00 | Nuria Brancaccio v Cianci, Claudia | 6-2,6-4 |
| ITF Women Amarante | 2018/06/20 12:35 | Cianci, Claudia v Reddy, Snehadevi S | 1-6,5-7 |
| ITF Women Amarante | 2018/06/18 09:00 | Cianci, Claudia v Zheng, Catarina | 6-0,6-1 |
| ITF Women Amarante | 2018/06/17 09:00 | Cianci, Claudia v Morante Oyague, Maialen | 6-2,6-3 |
| ITF Women Oeiras | 2018/05/23 17:20 | Lucia Martinez v Cianci, Claudia | 6-1,7-6 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/05/15 07:00 | Kulikova, Yulia v Cianci, Claudia | 6-0,6-1 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/05/14 07:30 | Lapustina, Irina v Cianci, Claudia | 2-6,6-4,1-6 |