Stadium: Court 4 Round: 26 Ground: Clay
| ITF Women Trnava | 2018/02/04 15:00 | Petra Januskova v Petra Sedlackova | 6-2,1-6,0-6 |
| ITF Women Prague | 2018/09/03 10:00 | Petra Sedlackova v Anna Martemyanova | 6-4,6-3 |
| ITF Women Prague | 2018/09/02 09:00 | Petra Sedlackova v Radka Buzkova | 6-4,6-2 |
| ITF Women Ricany | 2018/08/27 12:40 | Petra Sedlackova v Marcelina Podlinska | 5-7,0-6 |
| ITF Women Ricany | 2018/08/26 10:00 | Petra Sedlackova v Tina Cvetkovic | 6-0,3-6,6-4 |
| ITF Women Jablonec Nad Nisou | 2018/06/26 08:00 | Michaela Bayerlova v Petra Sedlackova | 7-5,6-1 |
| ITF Women Jablonec Nad Nisou Qual | 2018/06/25 08:00 | Petra Melounova v Petra Sedlackova | 6-7,4-6 |
| ITF Women Jablonec Nad Nisou Qual | 2018/06/23 08:00 | Petra Sedlackova v Nataliya Pogribnyak | 2-6,6-2,6-4 |
| ITF Women Stare Splavy Qual | 2018/06/03 09:00 | Petra Sedlackova v Aneta Laboutkova | 6-7,6-4,3-6 |
| ITF Women Prague | 2018/09/05 08:30 | Petra Januskova v Karolina Vlckova | 7-6,6-0 |
| ITF Women Budapest | 2018/08/21 08:00 | Dagmar Dudlakova v Petra Januskova | 6-4,6-4 |
| ITF Women Hechingen Qual | 2018/08/06 15:00 | Petra Januskova v Katharina Gerlach | 0-6,4-6 |
| ITF Women Hechingen Qual | 2018/08/05 11:40 | Emily Seibold v Petra Januskova | 0-6,5-7 |
| ITF Women Vienna | 2018/07/18 10:00 | Jana Jablonovska v Petra Januskova | 6-2,6-2 |
| ITF Women Vienna | 2018/07/17 11:40 | Petra Januskova v Franziska Kommer | 6-1,6-0 |
| ITF Women Amstelveen | 2018/07/13 10:00 | Petra Januskova v Ida Jarlskog | 2-6,2-6 |
| ITF Women Amstelveen | 2018/07/11 11:00 | Petra Januskova v Diana Chehoudi | 6-1,6-4 |