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