| Challenger Ochsenhausen | 08/08 07:50 | 1 | Karakasevic, Aleksandar v Romain Ruiz | W | 3-0 | |
| Challenger Ochsenhausen | 08/08 06:30 | 1 | Dauud Cheaib v Karakasevic, Aleksandar | L | 3-1 | |
| Challenger Ochsenhausen | 08/07 10:30 | 1 | Chtchetinine, Evgueni v Karakasevic, Aleksandar | W | 1-3 | |
| Challenger Ochsenhausen | 08/07 07:50 | 1 | Josip Huzjak v Karakasevic, Aleksandar | W | 1-3 | |
| Challenger Ochsenhausen | 08/06 14:00 | 1 | Karakasevic, Aleksandar v Miroslav Horejsi | L | 0-3 | |
| Challenger Ochsenhausen | 08/06 12:35 | 1 | Karakasevic, Aleksandar v Romain Ruiz | W | 3-2 | |
| Challenger Ochsenhausen | 08/06 11:40 | 1 | Mohr, Julian v Karakasevic, Aleksandar | W | 2-3 | |
| Challenger Ochsenhausen | 08/06 07:40 | 1 | Romain Ruiz v Karakasevic, Aleksandar | W | 2-3 | |
| Challenger Ochsenhausen | 08/05 19:20 | 1 | Karakasevic, Aleksandar v Schabacker, Jens | W | 3-1 | |
| Challenger Ochsenhausen | 08/05 16:00 | 1 | Karakasevic, Aleksandar v Ollivier, Brice | L | 2-3 | |
| Challenger Ochsenhausen | 08/05 14:00 | 1 | Miroslav Horejsi v Karakasevic, Aleksandar | W | 0-3 | |
| Challenger Ochsenhausen | 08/05 10:30 | 1 | Gorak, Daniel v Karakasevic, Aleksandar | W | 0-3 | |
| Challenger Ochsenhausen | 08/05 07:50 | 1 | Dauud Cheaib v Karakasevic, Aleksandar | W | 0-3 | |
| European Games | 06/22 08:00 | - | Karakasevic, Aleksandar v Putuntica, Andrei | W | 4-1 | |
| Japan Open 2019, MS | 06/12 02:30 | - | Yuto Kizukuri v Karakasevic, Aleksandar | W | 0-4 | |
| Hong Kong Open (WT) 2019, Singles | 06/04 02:40 | 1 | Karakasevic, Aleksandar v Niagol Stoyanov | L | 2-4 | |
| World Championship | 04/23 11:20 | 57 | Karakasevic, Aleksandar v Long Ma | L | 0-4 | |
| Challenger Ochsenhausen | 03/01 12:25 | 1 | Karakasevic, Aleksandar v Dauud Cheaib | L | 0-3 | |
| Challenger Ochsenhausen | 03/01 10:10 | 1 | Karakasevic, Aleksandar v Sourav Saha | W | 3-1 | |
| Challenger Ochsenhausen | 03/01 07:30 | 1 | Karakasevic, Aleksandar v Chtchetinine, Evgueni | W | 3-1 | |
| Challenger Ochsenhausen | 02/28 10:50 | 1 | Karakasevic, Aleksandar v Raymond, Titouan | W | 3-1 | |
| Challenger Ochsenhausen | 02/28 08:10 | 1 | Dauud Cheaib v Karakasevic, Aleksandar | W | 0-3 | |
| Challenger Ochsenhausen | 02/27 12:50 | 1 | Pawel Grela v Karakasevic, Aleksandar | W | 0-3 | |
| Challenger Ochsenhausen | 02/27 10:50 | 1 | Karakasevic, Aleksandar v Jimenez, Ricardo | W | 3-1 | |
| Challenger Ochsenhausen | 02/27 08:50 | 1 | Karakasevic, Aleksandar v Demeter, Lehel | W | 3-2 | |
| Challenger Ochsenhausen | 02/26 13:35 | 1 | Karakasevic, Aleksandar v Demeter, Lehel | L | 2-3 | |
| Challenger Ochsenhausen | 02/26 11:20 | 1 | Dauud Cheaib v Karakasevic, Aleksandar | W | 2-3 | |
| Challenger Ochsenhausen | 02/26 09:20 | 1 | Karakasevic, Aleksandar v Demeter, Lehel | W | 3-0 | |
| Challenger Ochsenhausen | 02/25 21:00 | 1 | Pawel Grela v Karakasevic, Aleksandar | W | 1-3 | |
| Challenger Ochsenhausen | 02/25 18:20 | 1 | Kovacs, Sebestyen v Karakasevic, Aleksandar | W | 0-3 |