| Ungarn Open | 2020/02/18 09:40 | Nils Hohmeier v Filip Zeljko | W | 0-4 |
| Austrian Open | 2019/11/12 10:00 | Filip Zeljko v Ziyang Yu | L | 0-4 |
| Croatia Open | 2019/05/14 13:40 | Juan Lamadrid v Filip Zeljko | L | 3-2 |
| Croatia Open | 2019/05/14 08:20 | Peter Hribar v Filip Zeljko | W | 0-3 |
| Challenger - Ochsenhausen | 2019/03/15 13:05 | Andreas Levenko v Filip Zeljko | L | 3-1 |
| Challenger - Ochsenhausen | 2019/03/15 11:30 | Jakub Kosowski v Filip Zeljko | L | 3-2 |
| Challenger - Ochsenhausen | 2019/03/14 13:30 | Filip Zeljko v Pawel Grela | W | 3-1 |
| Challenger - Ochsenhausen | 2019/03/14 12:10 | Bence Majoros v Filip Zeljko | L | 3-0 |
| U21 - Oman Open - Damen | 2020/03/11 10:20 | Jan Zandecki v Raegan Albuquerque | L | 1-3 |
| U21 - Oman Open - Damen | 2020/03/11 09:00 | Jan Zandecki v Tomas Koldas | L | 1-3 |
| U21 - Oman Open - Damen | 2020/03/06 11:40 | Tobias Hippler v Jan Zandecki | L | 4-2 |
| U21 - Oman Open - Damen | 2020/03/05 11:10 | Bastian Rembert v Jan Zandecki | L | 4-1 |
| U21 - Oman Open - Damen | 2020/03/04 17:10 | Tibor Spanik v Jan Zandecki | W | 0-3 |
| U21 - Oman Open - Damen | 2020/03/04 10:30 | Peter Hribar v Jan Zandecki | W | 2-4 |
| Challenger - Ochsenhausen | 2020/02/06 11:06 | Li Youngyin v Jan Zandecki | L | 3-1 |
| Challenger - Ochsenhausen | 2020/01/12 17:40 | Yu Khinhang v Jan Zandecki | L | 3-0 |