| Giraldilla Int. XD | 2018/03/16 12:00 | Adam Mendrek v Daniel Nikolov | W | 0-2 |
| Dutch Open Qual | 2019/10/08 08:00 | Daniel Nikolov v Karan Rajan Rajarajan | W | 2-0 |
| Polish Int. | 2019/09/21 10:40 | Daniel Nikolov v Mads Christophersen | L | 1-2 |
| Polish Int. | 2019/09/20 13:40 | Daniel Nikolov v Mateusz Dubowski | W | 2-1 |
| Bulgarian Open | 2019/08/13 07:30 | Joran Kweekel v Daniel Nikolov | L | 2-0 |
| European Games | 2019/06/25 10:15 | Luka Wraber v Daniel Nikolov | L | 2-1 |
| Orleans Masters | 2019/03/20 16:50 | Daniel Nikolov v Toma Junior Popov | L | 0-2 |
| Orleans Masters Qual | 2019/03/19 08:35 | Azmy Qowimuramadhoni v Daniel Nikolov | W | 0-2 |
| Swiss Open WD Qual | 2019/02/20 10:30 | Max Weisskirchen v Daniel Nikolov | W | 1-2 |
| World Championships | 2019/08/19 16:10 | Felix Burestedt v Adam Mendrek | L | 2-0 |
| Bulgarian Open | 2019/08/13 15:30 | Adam Mendrek v Jeppe Bruun Christensen | L | 0-2 |
| Hellas Open | 2019/08/09 07:10 | Adam Mendrek v Mads Christophersen | L | 0-2 |
| Azerbaijan Int. Qual | 2019/06/06 10:00 | Kari Gunnarsson v Adam Mendrek | W | 0-2 |
| Jamaica Int. | 2019/03/08 21:00 | Adam Mendrek v Job Castillo | L | 1-2 |
| Giraldilla Int. XD | 2018/12/19 19:55 | Jen Hao Hsu v Adam Mendrek | L | 2-0 |
| Giraldilla Int. XD | 2018/12/18 23:09 | Ratnajit Tamang v Adam Mendrek | W | 0-2 |
| Giraldilla Int. XD | 2018/12/18 22:00 | Ratnajit Tamang v Adam Mendrek | W | 0-2 |