| TT Star Series | 11/09 11:15 | - | Filip Zeljko v Yannick Vostes | W | 3-1 | |
| TT Star Series | 11/09 09:15 | - | Filip Zeljko v Jiri Martinko | L | 2-3 | |
| TT Star Series | 11/08 13:15 | - | Filip Zeljko v Ivor Ban | W | 3-1 | |
| TT Star Series | 11/08 11:45 | - | Filip Zeljko v Assar, Khalid | W | 3-1 | |
| TT Star Series | 11/08 09:15 | - | Jakub Zelinka v Filip Zeljko | W | 1-3 | |
| TT Star Series | 11/08 07:35 | - | Filip Zeljko v Youssef Abdel-Aziz | W | 3-1 | |
| WTT Feeder Otocec | 11/02 18:45 | 6 | Lubomir Jancarik v Filip Zeljko | L | 3-1 | |
| WTT Contender Antalya | 10/19 11:50 | 5 | Filip Zeljko v Cheng-Jui Kao | L | 2-3 | |
| WTT Contender Antalya Quals | 10/18 12:40 | - | Guilherme Teodoro v Filip Zeljko | W | 2-3 | |
| WTT Contender Antalya Quals 2023 | 10/16 14:40 | - | Filip Zeljko v Lubomir Jancarik | W | 3-2 | |
| TT Star Series | 09/26 11:15 | - | Michal Benes v Filip Zeljko | L | 3-2 | |
| TT Star Series | 09/26 09:45 | - | Dmitrij Prokopcov v Filip Zeljko | L | 2-0 | |
| TT Star Series | 09/26 07:45 | - | Roman Rezetka v Filip Zeljko | L | 3-2 | |
| TT Star Series | 09/25 10:45 | - | Sourav Saha v Filip Zeljko | L | 3-1 | |
| TT Star Series | 09/25 09:15 | - | Taehyun Kim v Filip Zeljko | W | 1-3 | |
| TT Star Series | 09/25 06:00 | - | Jordy Piccolin v Filip Zeljko | W | 1-3 | |
| European Team Championships | 09/15 14:40 | - | Ricardo Walther v Filip Zeljko | W | 0-3 | |
| European Team Championships | 09/10 11:45 | - | Filip Zeljko v Osiro, Pedro | W | 3-2 | |
| TT Star Series | 07/22 13:45 | - | Filip Zeljko v Jiri Vrablik | W | 3-1 | |
| TT Star Series | 07/22 12:03 | - | Jiri Martinko v Filip Zeljko | W | 0-3 | |
| TT Star Series | 07/22 10:15 | - | Tibor Spanik v Filip Zeljko | W | 0-3 | |
| TT Star Series | 07/22 08:45 | - | Jiri Vrablik v Filip Zeljko | L | 3-1 | |
| TT Star Series | 07/22 07:10 | - | Filip Zeljko v Jiri Martinko | L | 0-3 | |
| TT Star Series | 07/21 13:15 | - | Filip Zeljko v Romualdo Manna | W | 3-0 | |
| TT Star Series | 07/21 11:45 | - | Tomas Konecny v Filip Zeljko | W | 2-3 | |
| TT Star Series | 07/21 09:45 | - | Lubomir Jancarik v Filip Zeljko | L | 3-2 | |
| TT Star Series | 07/21 07:10 | - | Peter David v Filip Zeljko | W | 1-3 | |
| TT Star Series | 07/20 10:15 | - | Filip Zeljko v Roman Rezetka | L | 0-3 | |
| TT Star Series | 07/20 08:15 | - | Filip Zeljko v Enzo Angles | W | 3-1 | |
| TT Star Series | 07/20 06:00 | - | Filip Zeljko v Francisco Sanchi | L | 2-3 |