| Challenger Ochsenhausen | 2018/01/22 18:20 | Frane Kojic v Andriy Sitak | W | 3-0 |
| Challenger Ochsenhausen | 2019/01/28 13:30 | Frane Kojic v Filip Zeljko | W | 3-2 |
| Challenger Ochsenhausen | 2019/01/28 10:10 | Josip Huzjak v Frane Kojic | W | 1-3 |
| Challenger Ochsenhausen | 2019/01/28 08:10 | Frane Kojic v Fedor Kuzmin | L | 2-3 |
| Qatar Open XD | 2019/01/16 11:30 | Anthony Amalraj v Frane Kojic | W | 2-4 |
| Qatar Open Women | 2018/09/20 18:40 | Frane Kojic v Emmanuel Lebesson | L | 3-4 |
| Qatar Open XD | 2018/08/22 08:00 | Thiago Monteiro v Frane Kojic | L | 4-3 |
| Qatar Open XD | 2018/08/21 12:10 | Frane Kojic v Tomas Konecny | W | 4-0 |
| Challenger Ochsenhausen | 2018/06/05 14:00 | Petr David v Frane Kojic | W | 1-3 |
| Challenger Ochsenhausen | 2019/01/28 12:50 | Josip Huzjak v Andriy Sitak | L | 3-2 |
| Challenger Ochsenhausen | 2019/01/28 10:50 | Andriy Sitak v Fedor Kuzmin | L | 1-3 |
| Challenger Ochsenhausen | 2019/01/28 08:50 | Andriy Sitak v Valerij Rakov | L | 0-3 |
| Challenger Ochsenhausen | 2019/01/08 15:00 | Andriy Sitak v Petr David | L | 0-3 |
| Challenger Ochsenhausen | 2019/01/08 13:35 | Yannick Vostes v Andriy Sitak | W | 2-3 |
| Challenger Ochsenhausen | 2019/01/08 10:40 | Pawel Grela v Andriy Sitak | W | 1-3 |
| Challenger Ochsenhausen | 2019/01/08 09:20 | Yannick Vostes v Andriy Sitak | L | 3-0 |
| Challenger Ochsenhausen | 2019/01/07 19:00 | Dwain Schwarzer v Andriy Sitak | W | 2-3 |