| Internacional do Azerbaijão | 2019/06/07 13:30 | Kalle Koljonen v Sergey Sirant | L | 2-0 |
| Denmark Int. | 2019/05/11 09:00 | Subhankar Dey v Sergey Sirant | L | 2-0 |
| Denmark Int. | 2019/05/10 16:30 | Minoru Koga v Sergey Sirant | W | 1-2 |
| Open da Finlândia | 2019/04/06 08:00 | Chun-Yi Lin v Sergey Sirant | L | 2-0 |
| Masters de Orleães | 2019/03/19 19:20 | Sergey Sirant v Alex Lane | L | 0-2 |
| Internacional da Estónia | 2019/01/12 09:00 | Sergey Sirant v Arnaud Merkle | L | 0-2 |
| Internacional de Giraldilla - Duplas Mistas | 2018/12/14 16:00 | Sergey Sirant v Nhat Nguyen | L | 0-2 |
| Internacional de Giraldilla - Duplas Mistas | 2018/11/21 08:00 | Sai Praneeth B. v Sergey Sirant | L | 2-0 |
| Internacional do Azerbaijão | 2019/06/08 07:30 | Kalle Koljonen v Toma Junior Popov | L | 2-0 |
| Open da Polónia | 2019/03/30 09:30 | Toma Junior Popov v Feixiang Sun | L | 1-2 |
| Open da Polónia | 2019/03/29 09:30 | Iikka Heino v Toma Junior Popov | W | 0-2 |
| Masters de Orleães | 2019/03/21 16:50 | Nhat Nguyen v Toma Junior Popov | L | 2-1 |
| Masters de Orleães | 2019/03/20 16:50 | Daniel Nikolov v Toma Junior Popov | W | 0-2 |
| Open da Suíça | 2019/03/13 13:40 | Toma Junior Popov v Daren Liew | L | 0-2 |
| German Open | 2019/02/27 15:40 | Junpeng Zhao v Toma Junior Popov | L | 2-1 |
| Masters de Espanha | 2019/02/20 16:00 | Tanongsak Saensomboonsuk v Toma Junior Popov | L | 2-0 |