Stadium: Court 2 Round: 54 Ground: Hardcourt indoor
| ITF M15 Milovice | 2019/11/12 10:30 | Piotr Grynkowski v Jiri Barnat | 6-4,6-4 |
| ITF M15 Milovice | 2019/11/14 12:00 | Mark Whitehouse v Jiri Barnat | 6-4,6-3 |
| ITF M15 Milovice | 2019/11/13 12:35 | Jiri Barnat v Pavel Shumeiko | 6-4,2-6,7-6 |
| ITF M15 Milovice | 2019/11/12 10:30 | Piotr Grynkowski v Jiri Barnat | 6-4,6-4 |
| ITF M15 Milovice | 2019/11/11 11:00 | Daniel Vrba v Jiri Barnat | 2-6,1-6 |
| ITF M15 Prague | 2019/11/04 13:00 | Oleksii Krutykh v Jiri Barnat | 6-4,6-3 |
| ITF M15 Opava | 2019/10/30 14:30 | Jiri Barnat v Ondrej Krstev | 2-6,1-6 |
| ITF M15 Liberec | 2019/10/24 10:55 | Jiri Barnat v Adrian Bodmer | 6-7,3-6 |
| ITF M15 Olomouc | 2019/10/16 12:35 | Jiri Barnat v Dominik Nazaruk | 3-6,4-6 |
| 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 |
| ITF M15 Sharm El Sheikh | 2020/02/10 09:00 | Victor Ernaelsteen v Piotr Grynkowski | 2-6,2-6 |
| ITF M15 Sharm El Sheikh | 2020/02/09 10:00 | Shinnosuke Hiramatsu v Piotr Grynkowski | 3-6,0-6 |
| ITF M15 Milovice | 2019/11/14 13:45 | Piotr Grynkowski v Vadym Ursu | 2-6,1-6 |