| Polish Open | 2021/03/27 08:00 | Tze Yong Ng v Daniel Nikolov | L | 2-1 |
| Polish Open | 2021/03/26 17:20 | Daniel Nikolov v Jonathan Dolan | W | 2-0 |
| Polish Open | 2021/03/26 10:10 | Chong King Lim v Daniel Nikolov | W | 1-2 |
| Polish Open - kval | 2021/03/25 17:30 | Gergo Pytel v Daniel Nikolov | W | 0-2 |
| Polish Open - kval | 2021/03/25 16:35 | Yannick Feltes v Daniel Nikolov | W | 0-2 |
| Polish Open - kval | 2021/03/25 12:00 | Adam Mcallister v Daniel Nikolov | W | 0-2 |
| Slovak Open | 2020/02/28 08:40 | Chia Hung Lu v Daniel Nikolov | L | 2-0 |
| Slovak Open | 2020/02/27 13:55 | Daniel Nikolov v Batdavaa Munkhbat | W | 2-0 |
| Orleans Masters | 2021/03/23 18:40 | Nhat Nguyen v Chico Aura Dwi Wardoyo | L | 0-2 |
| All England Open | 2021/03/18 10:40 | Nhat Nguyen v Mark Caljouw | L | 0-2 |
| All England Open | 2021/03/17 13:30 | Srikanth Kidambi v Nhat Nguyen | W | 1-2 |
| Swiss Open | 2021/03/03 12:45 | Khosit Phetpradab v Nhat Nguyen | L | 2-1 |
| SaarLorLux Open | 2020/10/29 15:00 | Nhat Nguyen v Mark Caljouw | L | 1-2 |
| SaarLorLux Open | 2020/10/28 18:30 | Arnaud Merkle v Nhat Nguyen | W | 1-2 |
| Denmark Open | 2020/10/15 10:30 | Nhat Nguyen v Tien Chen Chou | L | 0-2 |
| Denmark Open | 2020/10/14 13:40 | Pablo Abian v Nhat Nguyen | W | 0-2 |