Round: 1
| Polen - National Tour | 2020/07/26 09:50 | Piotr Grynkowski v Daniel Michalski | 4-6,3-6 |
| Polen - National Tour | 2020/07/18 13:15 | Piotr Grynkowski v Kacper Zuk | 4-6,1-6 |
| Polen - National Tour | 2020/07/17 13:40 | Piotr Grynkowski v Maks Kasnikowski | 7-6,2-6,6-4 |
| Polen - National Tour | 2020/07/16 16:10 | Piotr Grynkowski v Martyn Pawelski | 6-3,6-1 |
| Polen - National Tour | 2020/07/07 12:10 | Michal Dembek v Piotr Grynkowski | 7-6,6-1 |
| Polen - National Tour | 2020/06/23 10:00 | Piotr Grynkowski v Pawel Juszczak | 5-7,3-6 |
| Polen - National Tour | 2020/06/22 07:00 | Piotr Grynkowski v Kamil Gajewski | 6-3,6-3 |
| Polen - National Tour | 2020/06/21 09:30 | Piotr Grynkowski v Szymon Walkow | 5-7,6-3,7-6 |
| Polen - National Tour | 2020/07/15 09:30 | Wojciech Marek v Adam Kwiatkowski | 6-2,6-1 |
| ITF M15 - Koszalin | 2019/08/05 08:00 | Patryk Kosinski v Adam Kwiatkowski | 7-5,6-4 |
| ITF Poland F2 | 2018/05/05 11:00 | Adam Kwiatkowski v Ivan Yatsuk | 6-7,7-6,3-6 |
| ITF Poland F1 | 2018/04/28 10:30 | Adam Kwiatkowski v Daniel Vrba | 1-6,1-6 |