| Qatar Open - Mixed double | 2017/02/22 14:28 | Cheng-Ting Liao v Steffen Mengel | L | 3-4 |
| WTT Contender Novo Gorica | 2022/10/31 17:30 | Cheng-Ting Liao v Luka Mladenovic | W | 3-0 |
| Lag - VM | 2022/10/03 03:00 | Zhe Yu Clarence Chew v Cheng-Ting Liao | L | 3-1 |
| Lag - VM | 2022/10/03 02:20 | Izaac Quek v Cheng-Ting Liao | L | 3-1 |
| Lag - VM | 2022/10/02 09:30 | Andrej Gacina v Cheng-Ting Liao | L | 3-1 |
| Lag - VM | 2022/10/02 08:30 | Tomislav Pucar v Cheng-Ting Liao | W | 1-3 |
| Lag - VM | 2022/10/01 11:30 | Cheng-Ting Liao v Cedric Nuytinck | L | 0-3 |
| WTT Contender Almaty | 2022/09/15 13:45 | Koki Niwa v Cheng-Ting Liao | L | 3-1 |
| WTT Contender Tunis | 2022/08/05 12:35 | Cheng-Ting Liao v Hugo Calderano | L | 0-3 |
| WTT Contender Novo Gorica | 2022/10/31 17:30 | Steffen Mengel v Samuel Walker | W | 3-1 |
| Champions League | 2022/09/09 15:40 | Frane Kojic v Steffen Mengel | W | 1-3 |
| Champions League | 2022/09/08 15:00 | Steffen Mengel v Enio Mendes | W | 3-2 |
| Champions League | 2022/09/08 11:00 | Jan Valenta v Steffen Mengel | W | 0-3 |
| TT Star Series | 2022/09/08 09:25 | Zokhid Keniaev v Steffen Mengel | L | 3-1 |
| Champions League | 2022/09/08 08:45 | Zokhid Kenjaev v Steffen Mengel | L | 3-1 |
| WTT Feeder Olomouc | 2022/08/27 11:15 | Robert Gardos v Steffen Mengel | L | 4-2 |
| WTT Feeder Olomouc | 2022/08/26 08:35 | Esteban Dorr v Steffen Mengel | W | 0-4 |