Round: 1
| Challenger Ochsenhausen | 2019/01/29 08:00 | Sitak, Andriy v Karakasevic, Aleksandar | W | 1-3 |
| Challenger Ochsenhausen | 2018/06/20 07:10 | Sitak, Andriy v Karakasevic, Aleksandar | W | 1-3 |
| Challenger Ochsenhausen | 2018/06/18 14:00 | Karakasevic, Aleksandar v Sitak, Andriy | W | 3-0 |
| Challenger Ochsenhausen | 2020/08/19 10:30 | Karakasevic, Aleksandar v Paul Gauzy | W | 3-1 |
| Challenger Ochsenhausen | 2020/08/19 08:30 | Karakasevic, Aleksandar v Tokic, Bojan | L | 0-3 |
| Challenger Ochsenhausen | 2020/08/18 13:15 | Dauud Cheaib v Karakasevic, Aleksandar | L | 3-1 |
| Challenger Ochsenhausen | 2020/08/18 10:20 | Dauud Cheaib v Karakasevic, Aleksandar | L | 3-2 |
| Challenger Ochsenhausen | 2020/08/18 08:20 | Karakasevic, Aleksandar v Felix Wetzel | W | 3-0 |
| Challenger Ochsenhausen | 2020/08/17 20:00 | Muhlbach, Herrmann v Karakasevic, Aleksandar | W | 2-3 |
| Challenger Ochsenhausen | 2020/08/17 17:20 | Florian Bluhm v Karakasevic, Aleksandar | W | 1-3 |
| Challenger Ochsenhausen | 2020/08/17 14:40 | Karakasevic, Aleksandar v Rakov, Valerij | W | 3-0 |
| Challenger Ochsenhausen | 2020/08/19 09:50 | Adam Szudi v Sitak, Andriy | L | 3-0 |
| Challenger Ochsenhausen | 2020/08/19 07:10 | Rakov, Valerij v Sitak, Andriy | W | 1-3 |
| Czech TT Star Series | 2020/08/18 11:15 | Sitak, Andriy v Antonin Gavlas | L | 0-3 |
| Czech TT Star Series | 2020/08/18 09:15 | Pavel Sirucek v Sitak, Andriy | L | 3-0 |
| Czech TT Star Series | 2020/08/18 06:00 | Tomas Tregler v Sitak, Andriy | L | 3-0 |
| Czech TT Star Series | 2020/08/17 12:45 | Miroslav Horejsi v Sitak, Andriy | L | 3-1 |
| Czech TT Star Series | 2020/08/17 11:15 | Sitak, Andriy v Felipe Olivares | L | 2-3 |
| Czech TT Star Series | 2020/08/17 09:45 | Sitak, Andriy v Boguslav Koszyk | L | 0-3 |