| Challenger Ochsenhausen | 2018/05/14 18:00 | Sebestyen Kovacs v Lubomir Jancarik | L | 0-3 |
| Challenger Ochsenhausen | 2018/05/14 15:20 | Liang Qiu v Sebestyen Kovacs | L | 3-0 |
| Challenger Ochsenhausen | 2018/05/14 11:50 | Petr Husnik v Sebestyen Kovacs | L | 3-0 |
| Challenger Ochsenhausen | 2018/05/14 09:50 | Sebestyen Kovacs v Florian Bluhm | W | 3-1 |
| Challenger Ochsenhausen | 2018/05/14 07:50 | Sebestyen Kovacs v Eduardo Gonzales | W | 3-1 |
| Qatar Open XD | 2018/04/04 08:20 | Andreas Levenko v Sebestyen Kovacs | L | 3-2 |
| Qatar Open XD | 2018/04/02 14:35 | Miguel Vilchez v Sebestyen Kovacs | L | 4-3 |
| Qatar Open XD | 2018/04/02 07:35 | Sebestyen Kovacs v Rok Trtnik | W | 3-1 |
| Challenger Ochsenhausen | 2018/05/14 18:40 | Petr Husnik v Andriy Sitak | W | 0-3 |
| Challenger Ochsenhausen | 2018/05/14 16:40 | Andriy Sitak v Florian Bluhm | L | 2-3 |
| Challenger Ochsenhausen | 2018/05/14 14:00 | Andriy Sitak v Eduardo Gonzales | W | 3-0 |
| Challenger Ochsenhausen | 2018/05/14 11:10 | Andriy Sitak v Lubomir Jancarik | L | 0-3 |
| Challenger Ochsenhausen | 2018/05/14 08:30 | Yannick Vostes v Andriy Sitak | L | 3-0 |
| Challenger Ochsenhausen | 2018/04/24 11:00 | Petr David v Andriy Sitak | L | 3-1 |
| Challenger Ochsenhausen | 2018/04/24 09:40 | Andriy Sitak v Miroslav Horejsi | L | 0-3 |
| Challenger Ochsenhausen | 2018/04/23 19:20 | Enio Mendes v Andriy Sitak | L | 3-0 |