Stadium: Central Court Round: 1
| Polish National Tour Women | 2020/08/23 09:30 | Piter, Katarzyna v Alicja Formella | 6-2,6-1 |
| Polish National Tour Women | 2020/08/18 09:00 | Piter, Katarzyna v Martyna Kubka | 4-6,3-6 |
| Polish National Tour Women | 2020/08/16 08:30 | Piter, Katarzyna v Kania, Paula | 6-4,6-3 |
| Polish National Tour Women | 2020/08/15 12:50 | Piter, Katarzyna v Alicja Formella | 6-1,6-0 |
| Polish National Tour Women | 2020/07/31 10:00 | Piter, Katarzyna v Kania, Paula | 3-6,6-3,6-7 |
| Polish National Tour Women | 2020/07/30 12:10 | Piter, Katarzyna v Zawadzka, Joanna | 6-4,7-5 |
| Polish National Tour Women | 2020/07/28 09:00 | Piter, Katarzyna v Shoshyna, Anastasiya | 0-6,6-4,3-6 |
| Polish National Tour Women | 2020/07/27 09:30 | Piter, Katarzyna v Stefania Rogozinska-Dzik | 6-2,6-3 |
| Polish National Tour Women | 2020/08/22 16:55 | Nebelska, Urszula v Oczachowska, Julia | 1-6,1-6 |
| Polish National Tour Women | 2020/08/18 09:00 | Oczachowska, Julia v Shoshyna, Anastasiya | 2-6,3-6 |
| Polish National Tour Women | 2020/08/16 11:30 | Oczachowska, Julia v Olyanovskaya, Valeriya | 6-4,6-4 |
| Polish National Tour Women | 2020/08/15 13:35 | Oczachowska, Julia v Kubacha, Zuzanna | 6-2,6-1 |
| Polish National Tour Women | 2020/07/30 14:15 | Wysoczanska, Katarzyna v Oczachowska, Julia | 7-5,6-3 |
| Polish National Tour Women | 2020/07/29 11:05 | Rutkowska, Witoria v Oczachowska, Julia | 6-7,3-6 |
| ITF W15 Milovice | 2019/11/28 14:45 | Anastasia Kulikova v Oczachowska, Julia | 6-3,6-3 |
| ITF W15 Milovice | 2019/11/27 13:00 | Jablonovska, Jana v Oczachowska, Julia | 6-7,5-7 |