| Thailand Open | 2019/05/24 11:20 | Yuta Tanaka v Steffen Mengel | L | 4-3 |
| Thailand Open | 2019/05/24 07:25 | Hongchan Seo v Steffen Mengel | W | 0-4 |
| Republica Ceha - Extraleague | 2019/03/24 09:55 | Steffen Mengel v Dang Qiu | L | 3-4 |
| Republica Ceha - Extraleague | 2019/03/23 17:30 | Steffen Mengel v Vitor Ishiy | W | 4-1 |
| Republica Ceha - Extraleague | 2019/03/23 13:25 | Ruwen Filus v Steffen Mengel | W | 3-4 |
| Republica Ceha - Extraleague | 2019/03/22 18:45 | Steffen Mengel v Bence Majoros | W | 4-1 |
| Qatar - Open - Feminin | 2018/11/16 19:57 | Sheng Peng Fan v Steffen Mengel | L | 3-0 |
| Qatar Open - Dublu Mixt | 2018/11/06 09:00 | Steffen Mengel v Robin Devos | L | 2-4 |
| Serbia Open | 2019/05/02 10:15 | Leo De Nodrest v Yuma Tsuboi | L | 3-1 |
| Serbia Open | 2019/05/01 10:10 | Yuma Tsuboi v Pero Tepic | W | 3-1 |
| Qatar Open - Dublu Mixt | 2018/04/03 10:25 | Yuma Tsuboi v Alexandru Manole | W | 4-0 |
| Qatar Open - Dublu Mixt | 2017/08/22 19:50 | Yuma Tsuboi v Can Akkuzu | L | 1-3 |
| Qatar Open - Dublu Mixt | 2017/08/16 06:30 | Yuma Tsuboi v Mizuki Oikawa | L | 1-3 |
| Qatar Open - Dublu Mixt | 2017/08/15 07:10 | Yuma Tsuboi v David Kostadinov | W | 3-0 |
| Qatar Open - Dublu Mixt | 2017/04/01 09:10 | Yuma Tsuboi v Chia-Hung Sun | W | 3-1 |
| Qatar - Open - Feminin | 2017/04/01 04:40 | Yun-Ju Lin v Yuma Tsuboi | L | 4-2 |