| Latvia Int. Qual | 2019/05/30 11:30 | Thomas Sibbald v Tony Lindelof | W | 0-2 |
| Polish Open Qual | 2019/03/28 11:00 | Mateusz Dubowski v Antonio Li | W | 2-0 |
| Swiss Open WD Qual | 2019/02/27 07:00 | Mateusz Dubowski v Andreas Hoffmann | W | 2-0 |
| Swiss Open WD Qual | 2017/09/27 14:10 | Adi Pratama v Mateusz Dubowski | L | 2-1 |
| All England Open | 2017/08/22 10:30 | Mateusz Dubowski v Anthony Sinisuka Ginting | L | 0-2 |
| All England Open | 2017/03/14 17:00 | Jen Hao Hsu v Mateusz Dubowski | L | 2-0 |
| All England Open | 2017/03/01 16:30 | Dan Lin v Mateusz Dubowski | L | 2-0 |
| All England Open | 2017/02/28 18:30 | Mateusz Dubowski v Anton Kaisti | W | 2-0 |
| Indonesia Masters XD | 2017/02/28 14:46 | Collins Valentine Filimon v Mateusz Dubowski | W | 0-2 |