| European Champions League | 10/24 19:00 | - |
Jens Lundquist
v
Steffen Mengel 
|
L | 3-1 | |
| European Champions League | 10/24 18:00 | - |
Jon Persson
v
Steffen Mengel
|
L | 3-0 | |
| European Champions League | 10/16 17:00 | - |
Steffen Mengel v
Dimitrij Ovtcharov
|
L | 0-3 | |
| German Open | 10/09 18:45 | - |
Steffen Mengel v
Simon Gauzy
|
L | 0-4 | |
| German Open | 10/08 11:00 | - |
Steffen Mengel v
Kakeru Sone
|
W | 4-3 | |
| European Champions League | 09/12 17:10 | - |
Endika Diez
v
Steffen Mengel
|
W | 0-3 | |
| Japan Open | 06/12 00:50 | - |
Steffen Mengel v
Yuma Tsuboi
|
W | 4-1 | |
| Thailand Open | 05/24 11:20 | - |
Yuta Tanaka
v
Steffen Mengel
|
L | 4-3 | |
| Thailand Open | 05/24 07:25 | - |
Hongchan Seo
v
Steffen Mengel
|
W | 0-4 | |
| Czech Extraleague | 03/24 09:55 | - |
Steffen Mengel v
Dang Qiu
|
L | 3-4 | |
| Czech Extraleague | 03/23 17:30 | - |
Steffen Mengel v
Vitor Ishiy
|
W | 4-1 | |
| Czech Extraleague | 03/23 13:25 | - |
Ruwen Filus
v
Steffen Mengel
|
W | 3-4 | |
| Czech Extraleague | 03/22 18:45 | - |
Steffen Mengel v
Bence Majoros
|
W | 4-1 | |
| Qatar Open Women | 11/16 19:57 | - |
Sheng Peng Fan
v
Steffen Mengel
|
L | 3-0 | |
| Qatar Open XD | 11/06 09:00 | 1 |
Steffen Mengel v
Robin Devos
|
L | 2-4 | |
| Qatar Open Women | 10/26 18:09 | - |
Steffen Mengel v
Georgios Stamatouros
|
W | 3-1 | |
| Qatar Open Women | 09/28 13:15 | - |
Dimitrij Ovtcharov
v
Steffen Mengel
|
L | 3-1 | |
| Qatar Open Women | 03/16 20:07 | - |
Steffen Mengel v
Thomas Keinath
|
L | 1-3 | |
| Qatar Open Women | 09/01 19:55 | - |
Steffen Mengel v
Daniel Habesohn
|
L | 2-3 | |
| Qatar Open Women | 09/01 18:04 | - |
Steffen Mengel v
Ovidiu Ionescu
|
L | 0-3 | |
| Qatar Open XD | 04/28 12:55 | 1 |
Steffen Mengel v
Alexey Liventsov
|
L | 0-4 | |
| Qatar Open XD | 04/20 04:45 | 5 |
Steffen Mengel v
Maharu Yoshimura
|
L | 3-4 | |
| Qatar Open | 02/23 12:10 | 5 |
Marcos Freitas
v
Steffen Mengel
|
L | 4-1 | |
| Qatar Open XD | 02/22 14:28 | - |
Cheng-Ting Liao
v
Steffen Mengel
|
W | 3-4 | |
| Qatar Open Women | 02/17 06:15 | 5 |
Joao Geraldo
v
Steffen Mengel
|
L | 4-0 | |
| Qatar Open Women | 01/19 20:30 | 5 |
Quadri Aruna
v
Steffen Mengel
|
L | 4-2 | |
| Qatar Open XD | 01/18 12:05 | - |
Steffen Mengel v
Siu Hang Lam
|
W | 4-0 | |
| Qatar Open Women | 11/29 18:37 | - |
Steffen Mengel v
Patrick Baum
|
L | 1-3 | |
| Swedish Open | 11/19 12:50 | 4 |
Steffen Mengel v
Yuya Oshima
|
L | 1-4 | |
| Swedish Open | 11/18 18:30 | 5 |
Yu Zhou
v
Steffen Mengel
|
W | 3-4 |