Round: 1
| ITF M15 Trnava | 2020/02/26 12:50 | Piotr Grynkowski v Jan Satral | 4-6,2-6 |
| ITF M15 Trnava | 2020/02/25 09:00 | Isa Mammetgulyyev v Piotr Grynkowski | 3-6,2-6 |
| ITF M15 Trnava | 2020/02/24 14:00 | Jiri Barnat v Piotr Grynkowski | 3-6,2-6 |
| ITF M15 Sharm El Sheikh | 2020/02/19 15:40 | Issei Okamura v Piotr Grynkowski | 6-3,7-5 |
| ITF M15 Sharm El Sheikh | 2020/02/18 09:30 | Piotr Grynkowski v Iancu-Iustinian Ghinda | 6-2,6-3 |
| ITF M15 Sharm El Sheikh | 2020/02/17 09:00 | Piotr Grynkowski v Ken Onishi | 6-1,6-4 |
| ITF M15 Sharm El Sheikh | 2020/02/12 08:00 | Pablo Vivero Gonzalez v Piotr Grynkowski | 6-3,6-3 |
| ITF M15 Sharm El Sheikh | 2020/02/11 08:00 | Volodymyr Uzhylovskyi v Piotr Grynkowski | 6-4,6-4 |