Stadium: Court 2 Round: 54 Ground: Hardcourt indoor
| Milovice, Singles M-ITF-CZE-10A | 2019/11/12 10:30 | Piotr Grynkowski v Jiri Barnat | 6-4,6-4 |
| Milovice, Singles M-ITF-CZE-10A | 2019/11/14 12:00 | Mark Whitehouse v Jiri Barnat | 6-4,6-3 |
| Milovice, Singles M-ITF-CZE-10A | 2019/11/13 12:35 | Jiri Barnat v Shumeiko, Pavel | 6-4,2-6,7-6 |
| Milovice, Singles M-ITF-CZE-10A | 2019/11/12 10:30 | Piotr Grynkowski v Jiri Barnat | 6-4,6-4 |
| Milovice, Singles M-ITF-CZE-10A | 2019/11/11 11:00 | Vrba, Daniel 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 Krstev, Ondrej | 2-6,1-6 |
| Liberec, Simples M-ITF-CZE-08A | 2019/10/24 10:55 | Jiri Barnat v Adrian Bodmer | 6-7,3-6 |
| Olomouc, Singles M-ITF-CZE-07A | 2019/10/16 12:35 | Jiri Barnat v Nazaruk, Dominik | 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 Ghinda, Iancu-Lustinian | 6-2,6-3 |
| ITF - M15 Sharm El Sheikh | 2020/02/17 09:00 | Piotr Grynkowski v Onishi, Ken | 6-1,6-4 |
| ITF - M15 Sharm El Sheikh | 2020/02/12 08:00 | Vivero Gonzalez, Pablo v Piotr Grynkowski | 6-3,6-3 |
| ITF - M15 Sharm El Sheikh | 2020/02/11 08:00 | Uzhylovsky, Vladimir v Piotr Grynkowski | 6-4,6-4 |
| ITF - M15 Sharm El Sheikh | 2020/02/10 09:00 | Ernaelsteen, Victor v Piotr Grynkowski | 2-6,2-6 |
| ITF - M15 Sharm El Sheikh | 2020/02/09 10:00 | Hiramatsu, Shinnosuke v Piotr Grynkowski | 3-6,0-6 |
| Milovice, Singles M-ITF-CZE-10A | 2019/11/14 13:45 | Piotr Grynkowski v Vadym Ursu | 2-6,1-6 |