| TT Star Series | 2023/05/04 11:15 | Martin Olejnik v Filip Zeljko | W | 0-3 |
| TT Star Series | 2023/07/19 08:15 | Tibor Spanik v Filip Zeljko | L | 3-1 |
| TT Star Series | 2023/07/19 06:35 | Filip Zeljko v Jakub Zelinka | L | 0-3 |
| WTT Star Contender Ljubljana - Kval | 2023/07/04 08:10 | Daniel Habesohn v Filip Zeljko | L | 3-1 |
| WTT Star Contender Ljubljana - Kval | 2023/07/03 10:35 | Miha Podobnik v Filip Zeljko | W | 0-3 |
| Europalekene - Lag | 2023/06/28 12:40 | Jonathan Groth v Filip Zeljko | L | 3-2 |
| WTT Contender - Tunis - Kval | 2023/06/20 17:05 | Filip Zeljko v Nandan Naresh | L | 1-3 |
| TT Star Series | 2023/06/08 14:23 | Elias Ranefur v Filip Zeljko | L | 3-1 |
| TT Star Series | 2023/06/08 10:45 | Enio Mendes v Filip Zeljko | L | 3-2 |
| TT Star Series | 2023/07/19 09:15 | Enzo Angles v Martin Olejnik | W | 2-3 |
| TT Star Series | 2023/07/19 06:00 | Tibor Spanik v Martin Olejnik | W | 0-3 |
| TT Star Series | 2023/07/18 11:45 | Roman Rezetka v Martin Olejnik | L | 3-2 |
| TT Star Series | 2023/07/18 09:45 | Martin Olejnik v Viktor Yefimov | W | 3-0 |
| TT Star Series | 2023/07/18 07:10 | Adam Klajber v Martin Olejnik | L | 3-1 |
| TT Star Series | 2023/07/17 13:45 | Carlos Muhlbach v Martin Olejnik | L | 3-2 |
| TT Star Series | 2023/07/17 11:15 | Tomas Tregler v Martin Olejnik | L | 3-2 |
| TT Star Series | 2023/07/17 08:45 | Enzo Angles v Martin Olejnik | L | 3-2 |