| Challenger - Ochsenhausen | 2018/03/19 16:20 | Petr David v Jiri Martinko | L | 3-0 |
| Challenger - Ochsenhausen | 2018/03/19 12:50 | Lucjan Blaszczyk v Jiri Martinko | L | 3-1 |
| Challenger - Ochsenhausen | 2018/03/19 10:50 | Jiri Martinko v Miroslav Horejsi | L | 0-3 |
| Challenger - Ochsenhausen | 2018/03/19 08:50 | Jiri Martinko v Valerij Rakov | W | 3-1 |
| Qatar Open - Mixdouble | 2018/03/15 14:30 | Jiri Martinko v Marek Badowski | L | 0-3 |
| Qatar Open - Mixdouble | 2018/03/15 09:10 | Jiri Martinko v Nolan Givone | W | 3-2 |
| Qatar Open - Mixdouble | 2018/03/10 15:25 | Rares Sipos v Jiri Martinko | L | 4-2 |
| Qatar Open - Mixdouble | 2018/03/09 15:50 | Jiri Martinko v Luka Mladenovic | L | 3-4 |
| Challenger - Ochsenhausen | 2018/03/19 17:00 | Valerij Rakov v Jakub Kosowski | W | 1-3 |
| Challenger - Ochsenhausen | 2018/03/19 13:30 | Petr David v Jakub Kosowski | L | 3-0 |
| Challenger - Ochsenhausen | 2018/03/19 12:10 | Florian Bluhm v Jakub Kosowski | W | 1-3 |
| Challenger - Ochsenhausen | 2018/03/19 07:30 | Lucjan Blaszczyk v Jakub Kosowski | L | 3-1 |
| Challenger - Ochsenhausen | 2018/01/19 13:05 | Jiri Vrablik v Jakub Kosowski | L | 3-1 |
| Challenger - Ochsenhausen | 2018/01/19 10:50 | Jakub Kosowski v Miroslav Horejsi | W | 3-2 |
| Challenger - Ochsenhausen | 2018/01/19 08:10 | Jakub Kosowski v Ricardo Jimenez | W | 3-0 |
| Challenger - Ochsenhausen | 2018/01/18 11:30 | Jakub Kosowski v Sven Happek | W | 3-0 |