| WTT Feeder Düsseldorf | 2023/02/16 17:20 | Cedric Meissner v Deni Kozul | L | 3-0 |
| WTT Feeder Düsseldorf | 2023/02/16 12:45 | Deni Kozul v Niagol Stoyanov | W | 3-0 |
| WTT Feeder Düsseldorf | 2023/02/15 17:25 | Tomas Polansky v Deni Kozul | W | 0-3 |
| WTT Feeder Düsseldorf | 2023/02/15 13:05 | Yew En Koen Pang v Deni Kozul | W | 0-3 |
| WTT Contender Doha - kval | 2023/01/16 08:10 | Jaehyun An v Deni Kozul | L | 3-1 |
| WTT Contender Doha - kval | 2023/01/15 08:45 | Sajad Hosseini v Deni Kozul | W | 1-3 |
| WTT Feeder Düsseldorf | 2022/11/24 12:20 | Deni Kozul v Panagiotis Gionis | L | 0-4 |
| WTT Feeder Düsseldorf | 2022/11/23 16:45 | Alberto Mino v Deni Kozul | W | 0-4 |
| WTT Feeder Düsseldorf | 2023/02/15 11:55 | Guodong Liang v Luka Mladenovic | L | 1-3 |
| WTT Contender Amman - kval 2023 | 2023/02/08 09:30 | Bence Majoros v Guodong Liang | L | 3-2 |
| WTT Contender Amman - kval 2023 | 2023/02/07 15:00 | Guodong Liang v Vitor Ishiy | W | 3-1 |
| WTT Contender Amman - kval 2023 | 2023/02/06 08:10 | Guodong Liang v Chia-Sheng Lee | W | 3-0 |
| WTT Feeder Amman | 2023/02/02 16:00 | Kilian Ort v Guodong Liang | L | 3-0 |
| WTT Feeder Amman | 2023/02/02 10:00 | Abdelbasset Chaichi v Guodong Liang | W | 0-3 |
| WTT Feeder Amman | 2023/02/01 10:00 | Hamadeh Kaswal v Guodong Liang | W | 0-3 |
| WTT Contender Almatõ - kval | 2022/09/14 04:00 | Iskender Kharki v Guodong Liang | W | 0-3 |