| Challenger Ochsenhausen | 09/29 16:00 | - | Marek Badowski v Tomasz Kotowski | L | 3-1 | |
| Challenger Ochsenhausen | 09/15 16:05 | - | Adam Dosz v Tomasz Kotowski | L | 3-0 | |
| Polish Open | 03/12 12:30 | - | Tomasz Kotowski v Satoshi Aida | W | 3-2 | |
| Polish Open | 03/11 15:40 | - | Carlos Franco v Tomasz Kotowski | W | 2-3 | |
| Challenger Ochsenhausen | 03/05 17:27 | - | Tomasz Kotowski v Slawomir Dosz | L | 1-3 | |
| Challenger Ochsenhausen | 02/04 18:32 | - | Tomasz Kotowski v Piotr Chodorski | L | 0-3 | |
| Challenger Ochsenhausen | 01/12 16:40 | - | Antonin Gavlas v Tomasz Kotowski | L | 2-0 | |
| Challenger Ochsenhausen | 01/12 15:20 | - | Robert Floras v Tomasz Kotowski | L | 3-0 | |
| Polish Grand Prix | 11/23 19:27 | - | Daniel Gorak v Tomasz Kotowski | L | 4-2 | |
| Polish Open | 10/18 12:20 | - | Cristian Pletea v Tomasz Kotowski | L | 4-2 | |
| Challenger Ochsenhausen | 09/27 16:40 | - | Zeng Yi Wang v Tomasz Kotowski | W | 2-3 | |
| Challenger Ochsenhausen | 09/12 17:34 | - | Bartosz Such v Tomasz Kotowski | W | 2-3 | |
| Czech Republic Extraleague | 03/26 19:09 | - | Jakub Witkowski v Tomasz Kotowski | W | 0-3 | |
| Czech Republic Extraleague | 03/26 17:05 | - | Jan Zandecki v Tomasz Kotowski | W | 0-3 | |
| Czech Republic Extraleague | 03/09 15:10 | - | Tomasz Kotowski v Denis Ivonin | L | 2-4 | |
| Czech Republic Extraleague | 03/08 16:15 | - | Andreas Levenko v Tomasz Kotowski | W | 2-4 | |
| Qatar Open Women | 03/07 17:50 | - | Tomasz Kotowski v Goncalo Gomes | W | 4-3 | |
| Qatar Open Women | 03/07 14:30 | - | Tomasz Kotowski v Patrik Klos | W | 4-2 | |
| Qatar Open Women | 03/07 10:40 | - | Tomasz Kotowski v Stefan Todorov | W | 4-2 | |
| Czech Republic Extraleague | 02/24 16:18 | - | Przemyslaw Salacinski v Tomasz Kotowski | W | 0-3 | |
| Czech Republic Extraleague | 02/24 14:02 | - | Jan Olek v Tomasz Kotowski | W | 0-3 | |
| Czech Republic Extraleague | 02/22 17:16 | - | Pavel Sirucek v Tomasz Kotowski | L | 3-0 | |
| Czech Republic Extraleague | 02/06 18:40 | - | Szymon Malicki v Tomasz Kotowski | L | 3-1 | |
| Qatar Open XD | 09/19 13:55 | 1 | Michael Maze v Tomasz Kotowski | L | 3-1 | |
| Qatar Open XD | 09/18 10:45 | 1 | Deni Kozul v Tomasz Kotowski | W | 2-4 | |
| Czech Republic Extraleague | 08/21 07:00 | 1 | Deni Kozul v Tomasz Kotowski | L | 3-0 | |
| Qatar Open XD | 08/14 07:25 | - | Yuki Matsuyama v Tomasz Kotowski | L | 4-1 | |
| Czech Republic Extraleague | 08/14 06:05 | 1 | Haidong Xu v Tomasz Kotowski | L | 3-2 | |
| Qatar Open Women | 05/02 18:00 | 1 | Tomasz Kotowski v Quentin Robinot | L | 0-3 | |
| Qatar Open XD | 04/03 07:00 | 1 | Tomasz Kotowski v Vsevolod Broiakovskyi | W | 3-2 |