| White Nights | 07/12 09:00 | - | Sirant, Sergey v Max Weisskirchen | L | 0-2 | |
| Spanish Int. | 06/13 12:00 | - | Sirant, Sergey v Toma Junior Popov | L | 1-2 | |
| Azerbaïdjan Int. | 06/07 13:30 | - | Kalle Koljonen v Sirant, Sergey | L | 2-0 | |
| Denmark Int. | 05/11 09:00 | - | Subhankar Dey v Sirant, Sergey | L | 2-0 | |
| Denmark Int. | 05/10 16:30 | - | Koga, Minoru v Sirant, Sergey | W | 1-2 | |
| Finnish Open | 04/06 08:00 | - | Chun-Yi Lin v Sirant, Sergey | L | 2-0 | |
| Orléans Masters | 03/19 19:20 | 6 | Sirant, Sergey v Lane, Alex | L | 0-2 | |
| Estonie Int. - | 01/12 09:00 | 1 | Sirant, Sergey v Arnaud Merkle | L | 0-2 | |
| Giraldilla Int. XD | 12/14 16:00 | 1 | Sirant, Sergey v Nhat Nguyen | L | 0-2 | |
| Giraldilla Int. XD | 11/21 08:00 | 5 | Sai Praneeth, B. v Sirant, Sergey | L | 2-0 | |
| Giraldilla Int. XD | 08/08 10:25 | 5 | Xiaodong Sheng v Sirant, Sergey | L | 2-0 | |
| Giraldilla Int. XD | 08/08 01:30 | 6 | Hadmadi, Fikri Ihsandi v Sirant, Sergey | W | 0-2 | |
| Open d'Angleterre | 08/01 02:50 | 5 | Kenta Nishimoto v Sirant, Sergey | L | 2-0 | |
| Open d'Angleterre | 07/30 07:50 | 6 | Sirant, Sergey v Ludik, Milan | W | 2-0 | |
| Giraldilla Int. XD | 07/26 04:00 | 4 | Verma, Sourabh v Sirant, Sergey | L | 2-0 | |
| Giraldilla Int. XD | 07/25 07:20 | 5 | Chong, Yee Han v Sirant, Sergey | - | Walkover | |
| Giraldilla Int. XD | 07/24 06:40 | 6 | Heino, Eetu v Sirant, Sergey | W | 1-2 | |
| Giraldilla Int. XD | 06/22 07:49 | - | Sirant, Sergey v Savin, Cristian | W | 2-0 | |
| Giraldilla Int. XD | 06/20 09:49 | - | Sirant, Sergey v Adrian Dziolko | W | 2-1 | |
| Indonesia Masters XD | 05/23 12:30 | 1 | Sirant, Sergey v Adel Hamek | W | 2-0 | |
| Indonesia Masters XD | 05/22 03:00 | 1 | Hans-Kristian Vittinghus v Sirant, Sergey | L | 2-0 | |
| Indonesia Masters XD | 05/21 03:00 | 1 | Zii Jia Lee v Sirant, Sergey | L | 2-0 | |
| Indonesia Masters XD | 04/25 12:00 | 5 | Sirant, Sergey v Mark Caljouw | L | 0-2 | |
| Indonesia Masters XD | 04/24 12:30 | 6 | Sirant, Sergey v Ludik, Milan | W | 2-0 | |
| Giraldilla Int. XD | 04/06 08:30 | 1 | Sirant, Sergey v Gurusaidatt, Rajah Manuri Venkata | L | 1-2 | |
| Giraldilla Int. XD | 03/28 17:00 | 5 | Sameer Verma v Sirant, Sergey | L | 2-0 | |
| Giraldilla Int. XD | 03/27 17:30 | 6 | Atrashchenkov, Valeriy v Sirant, Sergey | W | 0-2 | |
| Giraldilla Int. XD | 03/11 14:00 | 1 | Ygor Coelho v Sirant, Sergey | L | 2-0 | |
| Giraldilla Int. XD | 03/10 14:00 | 1 | Aggarwal, Harshit v Sirant, Sergey | W | 0-2 | |
| Giraldilla Int. XD | 03/09 19:00 | 1 | Sirant, Sergey v Pomoceno, Artur Silva | W | 2-0 |