| Challenger Ochsenhausen | 2018/05/14 08:30 | Yannick Vostes v Sitak, Andriy | L | 3-0 |
| Challenger Ochsenhausen | 2018/04/24 11:00 | Petr David v Sitak, Andriy | L | 3-1 |
| Challenger Ochsenhausen | 2018/04/24 09:40 | Sitak, Andriy v Miroslav Horejsi | L | 0-3 |
| Challenger Ochsenhausen | 2018/04/23 19:20 | Enio Mendes v Sitak, Andriy | L | 3-0 |
| Challenger Ochsenhausen | 2018/04/23 16:40 | Marc Duran v Sitak, Andriy | L | 3-1 |
| Challenger Ochsenhausen | 2018/04/23 14:40 | Dauud Cheaib v Sitak, Andriy | L | 3-2 |
| Challenger Ochsenhausen | 2018/04/23 09:50 | Francisco Sanchi v Sitak, Andriy | L | 3-0 |
| Challenger Ochsenhausen | 2018/04/23 07:10 | Dmitrij Prokopcov v Sitak, Andriy | L | 3-0 |
| Challenger Ochsenhausen | 2018/05/14 06:30 | Husnik, Petr v Lubomir Jancarik | W | 0-3 |
| Qatar Open 2019, MS | 2018/05/05 16:00 | Ismailov, Sadi v Lubomir Jancarik | W | 2-3 |
| Qatar Open 2019, MS | 2018/05/05 14:00 | Skachkov, Kirill v Lubomir Jancarik | L | 3-1 |
| Qatar Open 2019, MS | 2018/05/02 09:30 | Lubomir Jancarik v Marcos Freitas | L | 1-3 |
| Qatar Open 2019, MS | 2018/05/02 08:00 | Lubomir Jancarik v Joao Geraldo | L | 0-3 |
| Qatar Open 2019, MS | 2018/04/30 08:00 | Zhendong Fan v Lubomir Jancarik | L | 3-0 |
| Qatar Open XD | 2018/03/21 14:00 | Siu Hang Lam v Lubomir Jancarik | W | 0-4 |
| Qatar Open XD | 2018/03/20 13:40 | Lubomir Jancarik v Minhyeok Kim | L | 2-4 |