Stadium: Court central Round: 54 Ground: Hardcourt indoor
| ITF Women Croissy-Beaubourg Qual | 2018/03/24 09:00 | Petra Krejsova v Akgul Amanmuradova | 6-2,6-3 |
| ITF Women Altenkirchen | 2018/02/20 15:30 | Petra Krejsova v Jesika Maleckova | 1-6,4-6 |
| ITF Women Loughborough | 2018/02/07 12:15 | Petra Krejsova v Valentini Grammatikopoulou | 5-7,1-6 |
| ITF Women Glasgow | 2018/01/31 11:50 | Petra Krejsova v Kathinka Von Deichmann | 2-6,1-6 |
| ITF Women Stuttgart | 2018/01/23 16:40 | Petra Krejsova v Romy Koelzer | 1-6,2-6 |
| Czech Republic Extraliga Women | 2017/12/18 09:00 | Petra Kvitova v Petra Krejsova | 6-2,6-1 |
| Czech Republic Extraliga Women | 2017/12/17 09:00 | Jesika Maleckova v Petra Krejsova | 6-2,6-1 |
| Czech Republic Extraliga Women | 2017/12/15 09:51 | Petra Krejsova v Richel Hogenkamp | 6-7,4-6 |
| ITF Women Croissy-Beaubourg Qual | 2018/03/24 09:00 | Maia Lumsden v Katarzyna Piter | 4-6,3-6 |
| ITF Women Sharm El Sheikh | 2018/03/15 08:00 | Susan Bandecchi v Katarzyna Piter | 5-7,7-5,6-3 |
| ITF Women Sharm El Sheikh | 2018/03/13 08:00 | Margarita Skryabina v Katarzyna Piter | 5-7,6-2,1-6 |
| ITF Women Sharm El Sheikh | 2018/03/07 08:00 | Katarzyna Piter v Valeria Bhunu | 0-6,6-3,6-7 |
| ITF Women Altenkirchen | 2018/02/21 14:20 | Harriet Dart v Katarzyna Piter | 6-1,7-6 |
| ITF Women Altenkirchen Qual | 2018/02/19 10:45 | Martina Di Giuseppe v Katarzyna Piter | 5-7,3-6 |
| ITF Women Altenkirchen Qual | 2018/02/18 09:00 | Tess Sugnaux v Katarzyna Piter | 4-6,6-4,5-7 |
| ITF Women Loughborough | 2018/02/08 13:50 | Katarzyna Piter v Cristiana Ferrando | 2-6,3-6 |