| Challenger - Ochsenhausen | 2018/06/18 14:00 | Aleksandar Karakasevic v Andriy Sitak | L | 3-0 |
| Challenger - Ochsenhausen | 2018/06/18 10:30 | Adam Szudi v Andriy Sitak | W | 0-3 |
| Challenger - Ochsenhausen | 2018/06/18 07:50 | Yannick Vostes v Andriy Sitak | L | 3-2 |
| Challenger - Ochsenhausen | 2018/06/12 10:20 | Andriy Sitak v Tomas Konecny | L | 1-3 |
| Challenger - Ochsenhausen | 2018/06/12 07:00 | Andriy Sitak v Bohumil Vozicky | L | 1-3 |
| Challenger - Ochsenhausen | 2018/06/11 18:00 | Andriy Sitak v Emil Santos | L | 0-3 |
| Challenger - Ochsenhausen | 2018/06/11 15:20 | Isaac Vila v Andriy Sitak | W | 0-3 |
| Challenger - Ochsenhausen | 2018/06/11 11:50 | Jiri Vrablik v Andriy Sitak | L | 3-0 |
| Challenger - Ochsenhausen | 2018/06/18 12:30 | Jiri Martinko v David Reitspies | W | 1-3 |
| Challenger - Ochsenhausen | 2018/06/18 11:10 | Aleksandar Karakasevic v David Reitspies | L | 3-0 |
| Challenger - Ochsenhausen | 2018/06/18 06:30 | Josip Huzjak v David Reitspies | L | 3-1 |
| Qatar Open - GD | 2018/04/03 14:00 | Simon Pfeffer v David Reitspies | L | 4-3 |
| Qatar Open - GD | 2018/03/14 11:00 | Vladimir Sidorenko v David Reitspies | L | 4-2 |
| Qatar Open - GD | 2018/03/13 11:00 | David Reitspies v Lukasz Wachowiak | W | 4-1 |
| Qatar Open - GD | 2018/02/25 16:31 | Kenta Matsudaira v David Reitspies | L | 3-1 |
| Challenger - Ochsenhausen | 2017/11/28 13:35 | David Reitspies v Richard Vyborny | L | 1-3 |