| Denmark Int. | 2019/05/10 09:30 | Heino, Eetu v Subhankar Dey | W | 0-2 |
| New Zealand Open 2019, MS | 2019/05/01 08:00 | Sai Praneeth, B. v Subhankar Dey | L | 2-1 |
| Open d'Inde | 2019/03/28 11:00 | Tzu Wei Wang v Subhankar Dey | L | 2-0 |
| Open d'Inde | 2019/03/27 11:10 | Subhankar Dey v Tommy Sugiarto | W | 2-1 |
| Open de Suisse | 2019/03/15 17:00 | Subhankar Dey v Chen, Long | L | 0-2 |
| Open de Suisse | 2019/03/14 11:00 | Subhankar Dey v Jonatan Christie | W | 2-1 |
| Open de Suisse | 2019/03/13 12:00 | Lucas Claerbout v Subhankar Dey | W | 0-2 |
| German Open | 2019/02/27 14:55 | Subhankar Dey v Kantaphon Wangcharoen | L | 0-2 |
| Denmark Int. | 2019/05/10 16:30 | Koga, Minoru v Sirant, Sergey | W | 1-2 |
| Finnish Open | 2019/04/06 08:00 | Chun-Yi Lin v Sirant, Sergey | L | 2-0 |
| Orléans Masters | 2019/03/19 19:20 | Sirant, Sergey v Lane, Alex | L | 0-2 |
| Estonie Int. - | 2019/01/12 09:00 | Sirant, Sergey v Arnaud Merkle | L | 0-2 |
| Giraldilla Int. XD | 2018/12/14 16:00 | Sirant, Sergey v Nhat Nguyen | L | 0-2 |
| Giraldilla Int. XD | 2018/11/21 08:00 | Sai Praneeth, B. v Sirant, Sergey | L | 2-0 |
| Giraldilla Int. XD | 2018/08/08 10:25 | Xiaodong Sheng v Sirant, Sergey | L | 2-0 |
| Giraldilla Int. XD | 2018/08/08 01:30 | Hadmadi, Fikri Ihsandi v Sirant, Sergey | W | 0-2 |