| Challenger Ochsenhausen | 2018/10/04 09:10 | Miroslav Horejsi v Karakasevic, Aleksandar | W | 1-3 |
| Challenger Ochsenhausen | 2018/06/22 12:50 | Miroslav Horejsi v Karakasevic, Aleksandar | W | 2-3 |
| Challenger Ochsenhausen | 2018/06/22 10:30 | Miroslav Horejsi v Karakasevic, Aleksandar | W | 2-3 |
| Challenger Ochsenhausen | 2018/04/06 11:25 | Miroslav Horejsi v Karakasevic, Aleksandar | W | 0-3 |
| Challenger Ochsenhausen | 2018/04/05 12:30 | Karakasevic, Aleksandar v Miroslav Horejsi | L | 1-3 |
| Challenger Ochsenhausen | 2018/11/26 18:20 | Marius Henninger v Karakasevic, Aleksandar | W | 0-3 |
| Challenger Ochsenhausen | 2018/11/26 14:20 | Karakasevic, Aleksandar v Adrian Wiecek | L | 2-3 |
| Challenger Ochsenhausen | 2018/11/26 10:50 | Karakasevic, Aleksandar v Enio Mendes | L | 2-3 |
| Challenger Ochsenhausen | 2018/11/26 09:30 | Karakasevic, Aleksandar v Sriram, Sushmit | W | 3-0 |
| Qatar Open XD | 2018/11/20 19:26 | Samuel Walker v Karakasevic, Aleksandar | W | 2-3 |
| Challenger Ochsenhausen | 2018/10/05 12:05 | Karakasevic, Aleksandar v Gaston Alto | L | 1-3 |
| Challenger Ochsenhausen | 2018/10/05 10:30 | Haiqal, Muhamad Ashraf v Karakasevic, Aleksandar | W | 1-3 |
| Challenger Ochsenhausen | 2018/10/04 12:30 | Karakasevic, Aleksandar v Wenger, Nico | W | 3-0 |
| Challenger Ochsenhausen | 2018/11/26 17:00 | Martinez, Guillermo v Miroslav Horejsi | W | 0-3 |
| Challenger Ochsenhausen | 2018/11/26 15:40 | Enio Mendes v Miroslav Horejsi | W | 1-3 |
| Challenger Ochsenhausen | 2018/11/26 12:10 | Marius Henninger v Miroslav Horejsi | W | 0-3 |
| Challenger Ochsenhausen | 2018/11/26 11:30 | Sriram, Sushmit v Miroslav Horejsi | W | 1-3 |
| Challenger Ochsenhausen | 2018/11/26 07:30 | Miroslav Sklensky v Miroslav Horejsi | W | 1-3 |
| Challenger Ochsenhausen | 2018/11/13 13:40 | Demeter, Lehel v Miroslav Horejsi | L | 3-2 |
| Challenger Ochsenhausen | 2018/11/13 12:55 | Josip Huzjak v Miroslav Horejsi | W | 0-3 |
| Challenger Ochsenhausen | 2018/11/13 09:20 | Josip Huzjak v Miroslav Horejsi | W | 2-3 |