| Latvia Int. Qual | 2021/08/26 09:00 | Balint Papai v Michal Sobolewski | L | 2-0 |
| Polish Int. - Kwal. | 2019/09/19 14:00 | Sebastian Bugtrup v Michal Sobolewski | L | 2-0 |
| Swiss Open - Kwal. - DD | 2018/09/20 11:05 | Luka Milic v Michal Sobolewski | L | 2-0 |
| Giraldilla Int. XD | 2017/04/11 16:20 | Michal Sobolewski v Alex Alcala Dominguez | L | 0-2 |
| Ukraine Int. | 2021/09/08 10:40 | S. Sankar Muthusamy Subramanian v Fabio Caponio | L | 0-2 |
| Denmark Masters - Kwal. | 2021/08/05 07:00 | Karan Rajan Rajarajan v S. Sankar Muthusamy Subramanian | L | 2-0 |
| India PBL | 2020/02/04 11:00 | Cheuk Yiu Lee v S. Sankar Muthusamy Subramanian | L | 2-0 |