| WTT Feeder - Gaia - Calificari | 2023/11/22 12:20 | Dastan Kenzhigulov v Tiago Li | W | 1-3 |
| Qatar Open - Dublu Mixt | 2017/10/01 12:32 | Bohdan Sinkevych v Tiago Li | L | 3-1 |
| Qatar Open - Dublu Mixt | 2017/10/01 07:53 | Zoltan Lelkes v Tiago Li | L | 3-0 |
| Qatar Open - Dublu Mixt | 2017/09/30 08:41 | Tiago Li v Mustafa Fahrettin Ekmekci | W | 3-1 |
| WTT Feeder - Gaia - Calificari | 2023/11/22 12:50 | Elias Hardmeier v Steffen Mengel | W | 1-3 |
| WTT Feeder - Stockholm | 2023/10/06 15:25 | Steffen Mengel v Kirill Gerassimenko | L | 0-3 |
| WTT Feeder - Stockholm | 2023/10/05 17:00 | Tom Jarvis v Steffen Mengel | W | 0-3 |
| WTT Feeder - Stockholm | 2023/10/05 10:25 | Steffen Mengel v Florent Lambiet | W | 3-1 |
| WTT Feeder - Stockholm | 2023/10/04 11:00 | Chun Kit Choy v Steffen Mengel | W | 0-3 |
| WTT Feeder - Olomouc | 2023/08/24 14:35 | Gyeongtae Park v Steffen Mengel | L | 3-1 |
| Liga Campionilor | 2023/02/14 18:40 | Steffen Mengel v Cedric Nuytinck | W | 3-1 |
| Liga Campionilor | 2022/12/13 18:35 | Nandor Ecseki v Steffen Mengel | W | 0-3 |