| Cairo, Singles Qualifying W-ITF-EGY-07A | 2020/02/16 14:30 | Kania, Paula v Piter, Katarzyna | 7-6,4-6,5-10 |
| Orlando, Singles Qualifying W-WITF-USA-02A | 2017/01/16 23:00 | Piter, Katarzyna v Kania, Paula | 6-1,5-7,6-2 |
| 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 | 2020/07/26 14:05 | Piter, Katarzyna v Marcelina Podlinska | 7-5,6-2 |
| Polish National Tour Women | 2020/07/25 15:45 | Piter, Katarzyna v Rutkowska, Witoria | 6-2,6-2 |
| Polish National Tour Women | 2020/07/18 08:00 | Katarzyna Kawa v Piter, Katarzyna | 7-6,6-0 |
| Polish National Tour Women | 2020/07/17 09:30 | Piter, Katarzyna v Zawadzka, Joanna | 3-6,6-4,7-5 |
| Polish National Tour Women | 2020/07/15 14:35 | Piter, Katarzyna v Wierzbowska, Aleksandra | 6-2,6-0 |
| Polish National Tour Women | 2020/07/30 14:15 | Martyna Kubka v Kania, Paula | 6-4,1-6,3-6 |
| Polish National Tour Women | 2020/07/16 10:40 | Kania, Paula v Magdalena Frech | 0-6,5-7 |
| Polish National Tour Women | 2020/07/14 17:55 | Kania, Paula v Mazurek, Karolina | 6-1,6-0 |
| Polish National Tour Women | 2020/07/08 08:30 | Magdalena Frech v Kania, Paula | 3-6,6-2,6-1 |
| Polish National Tour Women | 2020/07/07 09:00 | Nebelska, Urszula v Kania, Paula | 0-6,2-6 |
| Polish National Tour Women | 2020/06/22 12:20 | Zawadzka, Joanna v Kania, Paula | 6-3,6-3 |
| Polish National Tour Women | 2020/06/18 13:30 | Shoshyna, Anastasiya v Kania, Paula | 6-4,6-4 |
| Polish National Tour Women | 2020/06/17 16:00 | Stefania Rogozinska-Dzik v Kania, Paula | 3-6,6-7 |