| Euro Mixed Team Championships | 12/18 08:20 | - | Nikolov, Daniel v Kalle Koljonen | W | 2-0 | |
| Euro Mixed Team Championships | 12/17 12:20 | - | Nikolov, Daniel v Julien Carraggi | L | 0-2 | |
| Euro Mixed Team Championships | 12/15 12:20 | - | Nikolov, Daniel v Krapez, Andraz | W | 2-1 | |
| Irish Open | 11/17 11:40 | - | Koga, Minoru v Nikolov, Daniel | L | 2-0 | |
| Hungarian Int. | 11/04 10:20 | - | Nikolov, Daniel v Chia Hao Lee | L | 0-2 | |
| Hungarian Int. | 11/03 14:40 | - | Cholan Kayan v Nikolov, Daniel | W | 1-2 | |
| Czech Open | 10/22 14:40 | - | Svendsen, Victor v Nikolov, Daniel | L | 2-0 | |
| Czech Open | 10/22 08:40 | - | Ade Resky Dwicahyo v Nikolov, Daniel | W | 1-2 | |
| Czech Open | 10/21 16:20 | - | Nikolov, Daniel v Julien Scheiwiller | W | 2-0 | |
| Czech Open | 10/21 09:40 | - | Nikolov, Daniel v Christopher Vittoriani | W | 2-0 | |
| Croatian Int. | 10/01 15:00 | - | Liu, H. C. v Nikolov, Daniel | L | 2-0 | |
| Croatian Int. | 10/01 10:00 | - | David Kim v Nikolov, Daniel | W | 1-2 | |
| Belgian International 2019, MS | 09/15 09:00 | - | Nikolov, Daniel v Pablo Abian | L | 1-2 | |
| World Championships | 08/22 05:40 | 6 | Nikolov, Daniel v Luis Enrique Penalver | L | 0-2 | |
| Slovenia Int. | 05/19 12:35 | - | Lin, Kuan-Ting v Nikolov, Daniel | L | 2-0 | |
| Championnat d'Europe | 04/26 11:00 | - | Nikolov, Daniel v Hans-Kristian Vittinghus | L | 1-2 | |
| Orléans Masters | 03/29 17:00 | 6 | Nikolov, Daniel v Max Weisskirchen | L | 0-2 | |
| Open de Pologne | 03/25 19:10 | - | Danylo Bosniuk v Nikolov, Daniel | L | 2-1 | |
| Open de Pologne | 03/25 10:30 | - | Nikolov, Daniel v Xiaodong Sheng | W | 2-1 | |
| Ukraine Open | 01/29 15:00 | - | Christo Popov v Nikolov, Daniel | L | 2-0 | |
| Ukraine Open | 01/29 07:40 | - | Nikolov, Daniel v Kian-Yu Oei | W | 2-0 | |
| Ukraine Open | 01/28 12:40 | - | Nikolov, Daniel v Reva, Vitaliy | W | 2-0 | |
| Italian Int. | 12/18 08:20 | - | Nikolov, Daniel v Alex Lanier | L | 1-2 | |
| Italian Int. | 12/17 17:20 | - | Nikolov, Daniel v Gustav Bjorkler | W | 2-0 | |
| Italian Int. | 12/17 09:20 | - | Nikolov, Daniel v Qowimuramadhoni, Azmy | W | 2-1 | |
| Welsh Int | 12/02 13:40 | - | Nikolov, Daniel v Verma, Siril | L | 0-2 | |
| Scottish Open | 11/27 11:20 | - | Nikolov, Daniel v Tze Yong Ng | L | 0-2 | |
| Scottish Open | 11/26 17:00 | - | Joakim Oldorff v Nikolov, Daniel | W | 0-2 | |
| Scottish Open | 11/25 20:50 | - | Nilsson, Jacob v Nikolov, Daniel | W | 1-2 | |
| Irish Open | 11/18 10:00 | 5 | Chirag Sen v Nikolov, Daniel | L | 2-0 |