| Qatar Open XD | 2017/11/07 08:56 | Kwan Kit Ho v Chen, Diogo | L | 3-1 |
| Challenger Ochsenhausen | 2017/09/26 11:40 | Muhlbach, Herrmann v Chen, Diogo | W | 0-3 |
| Challenger Ochsenhausen | 2017/09/26 07:40 | Bohumil Vozicky v Chen, Diogo | L | 3-0 |
| Challenger Ochsenhausen | 2017/09/25 19:20 | Chen, Diogo v Arcila, Carlos | L | 0-3 |
| Challenger Ochsenhausen | 2017/09/25 16:00 | Chen, Diogo v Petr David | L | 1-3 |
| Challenger Ochsenhausen | 2017/09/25 14:00 | Andriy Sitak v Chen, Diogo | L | 3-0 |
| Challenger Ochsenhausen | 2017/09/25 10:30 | Chtchetinine, Evgueni v Chen, Diogo | W | 1-3 |
| Challenger Ochsenhausen | 2017/09/25 07:50 | Yannick Vostes v Chen, Diogo | L | 3-0 |
| Qatar Open XD | 2017/11/24 09:10 | Carlos Caballero v Deni Kozul | W | 0-3 |
| Qatar Open XD | 2017/09/20 07:00 | Deni Kozul v Fei Xue | L | 2-3 |
| Qatar Open XD | 2017/09/19 18:09 | Deni Kozul v Ng, Pak Nam | W | 3-1 |
| Qatar Open XD | 2017/09/19 07:40 | Kwan Kit Ho v Deni Kozul | W | 2-3 |
| Qatar Open 2019, MS | 2017/09/15 15:00 | Deni Kozul v Kristian Karlsson | L | 0-3 |
| Qatar Open 2019, MS | 2017/09/13 12:00 | Tiago Apolonia v Deni Kozul | L | 3-0 |
| Qatar Open XD | 2017/05/04 09:30 | Aliaksandr Khanin v Deni Kozul | W | 1-3 |
| Qatar Open 2019, MS | 2017/03/07 18:52 | Martin Allegro v Deni Kozul | W | 0-3 |