| Challenger Ochsenhausen | 2018/04/23 07:10 | Dmitrij Prokopcov v Andriy Sitak | L | 3-0 |
| Challenger Ochsenhausen | 2018/04/10 11:40 | Andriy Sitak v Evgueni Chtchetinine | L | 0-3 |
| Challenger Ochsenhausen | 2018/04/10 09:00 | Andriy Sitak v Josip Huzjak | W | 3-1 |
| Challenger Ochsenhausen | 2018/04/09 20:00 | Andriy Sitak v Sushmit Sriram | L | 1-3 |
| Challenger Ochsenhausen | 2018/04/09 15:20 | Andriy Sitak v Jakub Figel | W | 3-1 |
| Challenger Ochsenhausen | 2018/04/09 12:30 | Andriy Sitak v Bohumil Vozicky | L | 1-3 |
| Challenger Ochsenhausen | 2018/04/09 09:10 | Fedor Kuzmin v Andriy Sitak | L | 3-0 |
| Challenger Ochsenhausen | 2018/04/09 07:10 | Andriy Sitak v Yannick Vostes | L | 2-3 |