| Challenger Ochsenhausen | 2018/03/23 13:05 | Jiri Vrablik v Jakub Kosowski | L | 3-1 |
| Challenger Ochsenhausen | 2018/03/22 10:50 | Jiri Vrablik v Jakub Kosowski | L | 3-2 |
| Challenger Ochsenhausen | 2018/01/19 13:05 | Jiri Vrablik v Jakub Kosowski | L | 3-1 |
| Challenger Ochsenhausen | 2018/01/18 08:10 | Jakub Kosowski v Jiri Vrablik | L | 1-3 |
| Challenger Ochsenhausen | 2018/01/05 14:00 | Jiri Vrablik v Jakub Kosowski | L | 3-1 |
| Challenger Ochsenhausen | 2018/01/04 08:10 | Jakub Kosowski v Jiri Vrablik | L | 2-3 |
| Challenger Ochsenhausen | 2017/12/20 09:30 | Jiri Vrablik v Jakub Kosowski | W | 1-3 |
| Challenger Ochsenhausen | 2016/09/19 09:01 | Jakub Kosowski v Jiri Vrablik | L | 2-3 |
| Challenger Ochsenhausen | 2018/10/23 09:00 | Jakub Kosowski v Petr David | W | 3-1 |
| Challenger Ochsenhausen | 2018/10/22 20:00 | Jakub Kosowski v Michal Benes | L | 2-3 |
| Challenger Ochsenhausen | 2018/10/22 15:20 | Jakub Kosowski v Koyo Kanamitsu | W | 3-0 |
| Challenger Ochsenhausen | 2018/10/22 12:30 | Jakub Kosowski v Jakub Folwarski | W | 3-1 |
| Challenger Ochsenhausen | 2018/10/22 09:10 | Tomasz Tomaszuk v Jakub Kosowski | W | 0-3 |
| Challenger Ochsenhausen | 2018/10/22 07:10 | Jakub Kosowski v Florian Bluhm | W | 3-0 |
| Challenger Ochsenhausen | 2018/08/03 12:50 | Miroslav Horejsi v Jakub Kosowski | W | 1-3 |
| Challenger Ochsenhausen | 2018/08/03 12:05 | Jakub Kosowski v Fedor Kuzmin | W | 3-2 |
| Challenger Ochsenhausen | 2018/10/23 07:40 | Tomasz Tomaszuk v Jiri Vrablik | W | 1-3 |
| Challenger Ochsenhausen | 2018/10/22 19:20 | Jiri Vrablik v Florian Bluhm | W | 3-1 |
| Challenger Ochsenhausen | 2018/10/22 16:00 | Jiri Vrablik v Jakub Folwarski | W | 3-1 |
| Challenger Ochsenhausen | 2018/10/22 14:00 | Petr David v Jiri Vrablik | L | 3-2 |
| Challenger Ochsenhausen | 2018/10/22 10:30 | Michal Benes v Jiri Vrablik | L | 3-0 |
| Challenger Ochsenhausen | 2018/10/22 07:50 | Koyo Kanamitsu v Jiri Vrablik | L | 3-2 |
| Qatar Open Women | 2018/10/12 17:17 | Jiri Vrablik v Andrej Gacina | L | 0-3 |
| Qatar Open Women | 2018/09/26 16:57 | Jiri Vrablik v Deni Kozul | W | 3-2 |