| Challenger Ochsenhausen | 2019/03/12 11:20 | Schwarzer, Dwain v Sitak, Andriy | W | 0-3 |
| Challenger Ochsenhausen | 2019/01/07 19:00 | Schwarzer, Dwain v Sitak, Andriy | W | 2-3 |
| Challenger Ochsenhausen | 2018/08/20 08:30 | Sitak, Andriy v Schwarzer, Dwain | W | 3-0 |
| Challenger Ochsenhausen | 2021/07/08 08:30 | Sitak, Andriy v Sven Happek | W | 3-2 |
| Challenger Ochsenhausen | 2021/07/07 11:50 | Sitak, Andriy v Jeet Chandra | L | 1-3 |
| Challenger Ochsenhausen | 2021/07/07 10:10 | Sitak, Andriy v Kuzmin, Fedor | L | 1-3 |
| Challenger Ochsenhausen | 2021/07/07 08:30 | Sitak, Andriy v Rakov, Valerij | L | 0-3 |
| TT Cup | 2021/06/11 22:15 | Sitak, Andriy v Lyevshyn, Vitaliy | L | 0-3 |
| TT Cup | 2021/06/11 21:40 | Sitak, Andriy v Melnik, Valeriy | W | 3-0 |
| TT Cup | 2021/06/11 21:05 | Sitak, Andriy v Bohdan Kohut | W | 3-1 |
| TT Cup | 2021/06/11 20:00 | Sitak, Andriy v Lyevshyn, Vitaliy | L | 2-3 |
| Challenger Ochsenhausen | 2021/07/08 09:10 | Schwarzer, Dwain v Chtchetinine, Evgueni | L | 0-3 |
| Challenger Ochsenhausen | 2021/07/08 06:30 | Schwarzer, Dwain v Snehit Suravajjula | L | 0-3 |
| Challenger Ochsenhausen | 2021/07/07 11:25 | Schwarzer, Dwain v Rakov, Valerij | W | 3-2 |
| Challenger Ochsenhausen | 2021/07/07 09:45 | Sven Happek v Schwarzer, Dwain | L | 3-2 |
| Challenger Ochsenhausen | 2021/07/06 10:20 | Schwarzer, Dwain v Maciej Kubik | L | 0-3 |
| Challenger Ochsenhausen | 2021/07/06 07:00 | Schwarzer, Dwain v Baciocchi, Alessandro | W | 3-1 |
| Challenger Ochsenhausen | 2021/07/05 18:00 | Schwarzer, Dwain v Valuch, Alexander | L | 2-3 |
| Challenger Ochsenhausen | 2021/07/05 15:20 | Jeet Chandra v Schwarzer, Dwain | L | 3-0 |