Stadium: Court 1 Round: 45 Ground: Hardcourt indoor
| ITF M15 Sajur | 2019/09/06 07:00 | Yshai Oliel v Piotr Grynkowski | 6-1,6-3 |
| ITF M15 Sajur | 2019/09/04 10:40 | Piotr Grynkowski v Sergey Bolotov | 7-5,6-1 |
| ITF M15 Kiryat Shmona | 2019/08/21 13:40 | Sahar Simon v Piotr Grynkowski | 3-6,6-4,7-5 |
| ITF M25 Bydgoszcz | 2019/08/13 12:00 | Denis Yevseyev v Piotr Grynkowski | 4-6,6-2,6-1 |
| ITF M15 Ystad | 2019/08/07 08:15 | Adam Heinonen v Piotr Grynkowski | 2-6,6-3,7-5 |
| ITF M15 Agadir | 2019/07/30 10:00 | Piotr Grynkowski v Nicolas Alberto Arreche | 4-6,1-6 |
| ITF M15 Wroclaw | 2019/07/02 08:00 | Piotr Grynkowski v Martins Rocens | 3-6,6-1,10-3 |
| ITF M15 Wroclaw | 2019/07/01 08:00 | Piotr Grynkowski v Daniil Tsebrenko | 6-1,7-5 |
| ITF M15 Bratislava | 2019/08/27 08:00 | Tomas Liska v Jiri Barnat | 6-1,6-1 |
| ITF M15 Bratislava | 2019/08/26 08:00 | Martin Dobry v Jiri Barnat | 6-7,3-6 |
| ITF M15 Bratislava | 2019/08/25 10:00 | Pietro Mugelli v Jiri Barnat | 1-6,0-6 |
| ITF M15 Piestany | 2019/07/15 09:00 | Jiri Barnat v Samuel Puskar | 3-6,3-6 |
| ITF M25 Pardubice | 2019/06/24 10:00 | Oleg Prihodko v Jiri Barnat | 6-0,6-3 |
| ITF M25 Most | 2019/05/29 08:00 | Jiri Barnat v Jacob Grills | 3-6,2-6 |
| ITF M25 Most | 2019/05/28 12:00 | Jiri Barnat v Matyas Cerny | 6-3,6-2 |
| ITF Czech Republic F12 | 2018/11/28 10:15 | Jiri Barnat v Ondrej Krstev | 0-6,2-6 |