| 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 |
| Giraldilla Int. XD | 2018/09/27 19:40 | Daniel Nikolov v Labieb Muhzafar Lakamagi | W | 2-0 |
| Swiss Open WD Qual | 2018/09/27 15:35 | Dimitar Yanakiev v Daniel Nikolov | W | 0-2 |
| Swiss Open WD Qual | 2018/09/27 07:30 | Joran Kweekel v Daniel Nikolov | W | 0-2 |
| Polish Int. Qual | 2019/09/19 16:20 | Mateusz Dubowski v Nikolaj Mangor | W | 2-0 |
| Polish Int. Qual | 2019/09/19 12:50 | Martin Bundgaard v Mateusz Dubowski | W | 0-2 |
| Polish Int. Qual | 2019/09/19 09:20 | Mateusz Dubowski v Gasper Krivec | W | 2-0 |
| Belarus Int. Qual | 2019/08/30 07:40 | Mateusz Dubowski v Evgeny Chertilin | W | 2-0 |
| Belarus Int. Qual | 2019/08/29 11:00 | Mateusz Dubowski v Oleksandr Kolesnik | W | 2-0 |
| Hellas Open | 2019/08/09 12:30 | Gergely Krausz v Mateusz Dubowski | L | 2-0 |
| Lithuanian Int. Qual | 2019/06/07 06:00 | Brian Holtschke v Mateusz Dubowski | W | 0-2 |
| Latvia Int. | 2019/05/31 16:30 | Aram Mahmoud v Mateusz Dubowski | L | 2-0 |