| Qatar Open XD | 2018/04/11 08:20 | Matsudaira, Kenji v Diez, Endika | L | 4-2 |
| Qatar Open XD | 2018/04/10 08:20 | Diez, Endika v Radovic, Filip | W | 4-1 |
| Qatar Open XD | 2018/03/30 16:40 | Diez, Endika v Hon Ming Li | L | 2-4 |
| Qatar Open XD | 2018/03/28 17:10 | Diez, Endika v AL-Naggar, Abdulrahman | W | 4-1 |
| Qatar Open XD | 2017/11/22 18:30 | Meshref, Ahmed v Diez, Endika | W | 0-4 |
| Qatar Open XD | 2017/10/29 10:14 | Diez, Endika v Jonut Seni | W | 3-1 |
| Japan Open 2019, MS | 2019/06/12 00:50 | Steffen Mengel v Tsuboi, Yuma | W | 4-1 |
| Thailand Open | 2019/05/24 11:20 | Yuta Tanaka v Steffen Mengel | L | 4-3 |
| Thailand Open | 2019/05/24 07:25 | Seo, Hongchan v Steffen Mengel | W | 0-4 |
| République tchèque - Extraleague | 2019/03/24 09:55 | Steffen Mengel v Dang Qiu | L | 3-4 |
| République tchèque - Extraleague | 2019/03/23 17:30 | Steffen Mengel v Vitor Ishiy | W | 4-1 |
| République tchèque - Extraleague | 2019/03/23 13:25 | Ruwen Filus v Steffen Mengel | W | 3-4 |
| République tchèque - Extraleague | 2019/03/22 18:45 | Steffen Mengel v Bence Majoros | W | 4-1 |
| Qatar Open 2019, MS | 2018/11/16 19:57 | Sheng Peng Fan v Steffen Mengel | L | 3-0 |