| Russia Open 2019, MS | 07/17 00:00 | 5 | Subhankar Dey v Wong, H. S. | W | 2-0 | |
| White Nights | 07/12 07:20 | - | Subhankar Dey v Heino, Iikka | L | 0-2 | |
| Denmark Int. | 05/11 15:00 | - | Subhankar Dey v Hans-Kristian Vittinghus | L | 1-2 | |
| Denmark Int. | 05/11 09:00 | - | Subhankar Dey v Sirant, Sergey | W | 2-0 | |
| Denmark Int. | 05/10 09:30 | - | Heino, Eetu v Subhankar Dey | W | 0-2 | |
| New Zealand Open 2019, MS | 05/01 08:00 | 5 | Sai Praneeth, B. v Subhankar Dey | L | 2-1 | |
| Open d'Inde | 03/28 11:00 | 4 | Tzu Wei Wang v Subhankar Dey | L | 2-0 | |
| Open d'Inde | 03/27 11:10 | 5 | Subhankar Dey v Tommy Sugiarto | W | 2-1 | |
| Open de Suisse | 03/15 17:00 | 3 | Subhankar Dey v Chen, Long | L | 0-2 | |
| Open de Suisse | 03/14 11:00 | 4 | Subhankar Dey v Jonatan Christie | W | 2-1 | |
| Open de Suisse | 03/13 12:00 | 5 | Lucas Claerbout v Subhankar Dey | W | 0-2 | |
| German Open | 02/27 14:55 | 5 | Subhankar Dey v Kantaphon Wangcharoen | L | 0-2 | |
| Masters d'Espagne | 02/20 17:20 | 5 | Heino, Iikka v Subhankar Dey | L | 2-1 | |
| Indonesia Masters | 01/23 05:40 | 5 | Viktor Axelsen v Subhankar Dey | L | 2-1 | |
| Open de Suisse - Doubles Femmes - Qualif. | 01/22 08:09 | - | Subhankar Dey v Fan, Daniel | W | 2-0 | |
| Open de Suisse - Doubles Femmes - Qualif. | 01/15 03:50 | - | Saensomboonsuk, Tanongsak v Subhankar Dey | L | 2-0 | |
| Masters de Thaïlande | 01/10 11:00 | 4 | Subhankar Dey v Leverdez, Brice | L | 0-2 | |
| Masters de Thaïlande | 01/09 06:00 | 5 | Misha Zilberman v Subhankar Dey | W | 0-2 | |
| Giraldilla Int. XD | 11/22 09:10 | 4 | Lu, G. Z. v Subhankar Dey | L | 2-0 | |
| Giraldilla Int. XD | 11/21 08:00 | 5 | Subhankar Dey v Burestedt, Felix | W | 2-0 | |
| Giraldilla Int. XD | 11/04 15:36 | - | Subhankar Dey v Ouseph, Rajiv | W | 2-0 | |
| Giraldilla Int. XD | 11/04 14:00 | 1 | Subhankar Dey v Ouseph, Rajiv | W | 2-0 | |
| Giraldilla Int. XD | 11/03 14:00 | 2 | Subhankar Dey v Ren, P. B. | W | 2-1 | |
| Giraldilla Int. XD | 11/02 12:00 | 3 | Subhankar Dey v Toby Penty | W | 2-0 | |
| Giraldilla Int. XD | 11/01 14:00 | 4 | Lin, Dan v Subhankar Dey | W | 0-2 | |
| Giraldilla Int. XD | 10/31 17:10 | 5 | Fabio Caponio v Subhankar Dey | W | 0-2 | |
| Giraldilla Int. XD | 10/30 17:15 | 6 | Subhankar Dey v Elias Bracke | W | 2-1 | |
| Dutch Open | 10/11 15:35 | 4 | Subhankar Dey v June Wei Cheam | L | 0-2 | |
| Dutch Open | 10/10 14:05 | 5 | Subhankar Dey v Fransman, Nick | W | 2-1 | |
| Dutch Open | 10/09 16:55 | 6 | Subhankar Dey v Max Weisskirchen | W | 2-1 |