| Qatar Open XD | 2018/03/13 17:20 | Viktor Yefimov v Jakub Witkowski | L | 4-2 |
| Qatar Open XD | 2018/03/13 11:00 | Abdullah Yigenler v Jakub Witkowski | L | 4-1 |
| Qatar Open XD | 2017/10/04 15:15 | Hampus Soderlund v Jakub Witkowski | L | 4-0 |
| Qatar Open XD | 2018/09/19 13:55 | Michael Maze v Tomasz Kotowski | L | 3-1 |
| Qatar Open XD | 2018/09/18 10:45 | Deni Kozul v Tomasz Kotowski | W | 2-4 |
| Czech Extraleague | 2018/08/21 07:00 | Deni Kozul v Tomasz Kotowski | L | 3-0 |
| Qatar Open XD | 2018/08/14 07:25 | Yuki Matsuyama v Tomasz Kotowski | L | 4-1 |
| Czech Extraleague | 2018/08/14 06:05 | Haidong Xu v Tomasz Kotowski | L | 3-2 |
| Qatar Open Women | 2018/05/02 18:00 | Tomasz Kotowski v Quentin Robinot | L | 0-3 |
| Qatar Open XD | 2018/04/03 07:00 | Tomasz Kotowski v Vsevolod Broiakovskyi | W | 3-2 |
| Qatar Open XD | 2018/04/02 09:40 | Tomasz Kotowski v Yi-Hsin Feng | L | 0-4 |