| Challenger - Ochsenhausen | 2021/07/09 10:30 | Andriy Sitak v Evgueni Chtchetinine | L | 3-0 |
| Challenger - Ochsenhausen | 2019/11/25 15:40 | Evgueni Chtchetinine v Andriy Sitak | W | 3-1 |
| Challenger - Ochsenhausen | 2019/08/19 09:50 | Andriy Sitak v Evgueni Chtchetinine | W | 0-3 |
| Challenger - Ochsenhausen | 2019/05/15 13:10 | Evgueni Chtchetinine v Andriy Sitak | W | 3-0 |
| Challenger - Ochsenhausen | 2018/10/29 08:50 | Andriy Sitak v Evgueni Chtchetinine | W | 1-3 |
| Challenger - Ochsenhausen | 2018/07/03 11:15 | Evgueni Chtchetinine v Andriy Sitak | W | 3-1 |
| Challenger - Ochsenhausen | 2018/07/02 16:50 | Andriy Sitak v Evgueni Chtchetinine | W | 1-3 |
| Challenger - Ochsenhausen | 2018/06/22 07:10 | Andriy Sitak v Evgueni Chtchetinine | W | 2-3 |
| Challenger - Ochsenhausen | 2021/10/13 09:10 | Alexander Valuch v Evgueni Chtchetinine | W | 0-3 |
| Challenger - Ochsenhausen | 2021/10/13 07:10 | Evgueni Chtchetinine v Cedric Tschanz | L | 1-3 |
| Challenger - Ochsenhausen | 2021/10/05 14:00 | Evgueni Chtchetinine v Andrey Semenov | L | 1-3 |
| Challenger - Ochsenhausen | 2021/10/05 12:35 | Dauud Cheaib v Evgueni Chtchetinine | L | 3-1 |
| Challenger - Ochsenhausen | 2021/10/05 11:40 | Kenan Hrnic v Evgueni Chtchetinine | W | 0-3 |
| Challenger - Ochsenhausen | 2021/10/05 07:40 | Guilherme Teodoro v Evgueni Chtchetinine | W | 1-3 |
| Challenger - Ochsenhausen | 2021/10/04 19:20 | Evgueni Chtchetinine v Carlos Muhlbach | L | 0-3 |
| Challenger - Ochsenhausen | 2021/10/04 16:00 | Evgueni Chtchetinine v Rafael Turrini | W | 3-0 |
| Challenger - Ochsenhausen | 2021/10/13 11:10 | Amirreza Abbasi v Andriy Sitak | L | 3-2 |
| Challenger - Ochsenhausen | 2021/10/13 06:30 | Alexander Valuch v Andriy Sitak | L | 3-2 |
| Challenger - Ochsenhausen | 2021/10/12 09:00 | Marius Henninger v Andriy Sitak | W | 0-3 |
| Challenger - Ochsenhausen | 2021/10/12 08:20 | Andrei Putuntica v Andriy Sitak | L | 3-0 |
| Challenger - Ochsenhausen | 2021/10/11 18:00 | Amirreza Abbasi v Andriy Sitak | L | 3-1 |
| Challenger - Ochsenhausen | 2021/10/11 16:00 | Simon Berglund v Andriy Sitak | L | 3-0 |
| Challenger - Ochsenhausen | 2021/10/11 12:30 | Dennis Klein v Andriy Sitak | L | 3-1 |
| Challenger - Ochsenhausen | 2021/10/11 11:10 | Jon Ander Guerricabeitia v Andriy Sitak | W | 0-3 |