| Challenger - Ochsenhausen | 2019/01/28 10:50 | Andriy Sitak v Fedor Kuzmin | L | 1-3 |
| Challenger - Ochsenhausen | 2018/09/10 07:50 | Fedor Kuzmin v Andriy Sitak | L | 3-1 |
| Challenger - Ochsenhausen | 2018/04/09 09:10 | Fedor Kuzmin v Andriy Sitak | L | 3-0 |
| Challenger - Ochsenhausen | 2018/03/13 11:20 | Fedor Kuzmin v Andriy Sitak | L | 3-0 |
| Challenger - Ochsenhausen | 2018/01/16 11:20 | Fedor Kuzmin v Andriy Sitak | L | 3-1 |
| Challenger - Ochsenhausen | 2017/07/31 11:10 | Fedor Kuzmin v Andriy Sitak | L | 3-1 |
| Challenger - Ochsenhausen | 2017/07/24 14:00 | Fedor Kuzmin v Andriy Sitak | W | 2-3 |
| Challenger - Ochsenhausen | 2017/04/10 16:40 | Fedor Kuzmin v Andriy Sitak | L | 3-0 |
| Challenger - Ochsenhausen | 2021/07/07 08:30 | Andriy Sitak v Valerij Rakov | L | 0-3 |
| Ucraina - TT Cup | 2021/06/11 22:15 | Andriy Sitak v Vitaliy Lyevshin | L | 0-3 |
| Ucraina - TT Cup | 2021/06/11 21:40 | Andriy Sitak v Valeriy Melnik | W | 3-0 |
| Ucraina - TT Cup | 2021/06/11 21:05 | Andriy Sitak v Bohdan Kohut | W | 3-1 |
| Ucraina - TT Cup | 2021/06/11 20:00 | Andriy Sitak v Vitaliy Lyevshin | L | 2-3 |
| Ucraina - TT Cup | 2021/06/11 19:30 | Andriy Sitak v Valeriy Melnik | W | 3-2 |
| Ucraina - TT Cup | 2021/06/11 18:55 | Andriy Sitak v Bohdan Kohut | W | 3-1 |
| TT Cup | 2021/06/10 20:05 | Alexander Tuzhylin v Andriy Sitak | L | 3-2 |
| Challenger - Ochsenhausen | 2021/07/07 08:55 | Fedor Kuzmin v Evgueni Chtchetinine | W | 3-0 |
| Challenger - Ochsenhausen | 2021/06/18 13:30 | Dauud Cheaib v Fedor Kuzmin | L | 3-2 |
| Challenger - Ochsenhausen | 2021/06/18 13:05 | Harmeet Desai v Fedor Kuzmin | W | 2-3 |
| Challenger - Ochsenhausen | 2021/06/18 09:50 | Sven Happek v Fedor Kuzmin | W | 2-3 |
| Challenger - Ochsenhausen | 2021/06/18 07:50 | Henning Zeptner v Fedor Kuzmin | W | 1-3 |
| Challenger - Ochsenhausen | 2021/06/17 11:10 | Fedor Kuzmin v Dauud Cheaib | L | 2-3 |
| Challenger - Ochsenhausen | 2021/06/17 07:50 | Fedor Kuzmin v Christopher Ligocki | W | 3-1 |
| Challenger - Ochsenhausen | 2021/06/17 06:30 | Harmeet Desai v Fedor Kuzmin | L | 3-0 |