| Hellas Int. | 09/03 09:30 | - | Torjussen, J. v Mendrek, Adam | L | 2-0 | |
| Latvia Int. | 08/28 07:40 | - | Mendrek, Adam v Alex Lanier | L | 0-2 | |
| Latvia Int. | 08/27 12:00 | - | Christensen, Rasmus Careoe v Mendrek, Adam | W | 0-2 | |
| Denmark Masters Qual | 08/05 13:45 | - | Mendrek, Adam v Danylo Bosniuk | L | 0-2 | |
| Denmark Masters Qual | 08/05 08:10 | - | Alexander Pedersen v Mendrek, Adam | W | 0-2 | |
| Austrian Open | 05/29 08:50 | - | Alex Lanier v Mendrek, Adam | L | 2-1 | |
| Austrian Open | 05/28 14:20 | - | Mendrek, Adam v Wolfgang Gnedt | W | 2-1 | |
| Slovenia Int. | 05/20 12:40 | - | Collins Valentine Filimon v Mendrek, Adam | L | 2-0 | |
| Open de Pologne | 03/26 16:10 | 4 | Aidil, Sholeh Ali Sadikin v Mendrek, Adam | L | 2-0 | |
| Open de Pologne | 03/26 09:30 | 5 | Mendrek, Adam v Moreels, Maxime | W | 2-1 | |
| Estonie Int. - | 01/10 15:30 | - | Moreels, Maxime v Mendrek, Adam | L | 2-0 | |
| Estonie Int. - | 01/10 10:00 | - | Mendrek, Adam v Luis Enrique Penalver | W | 2-0 | |
| Scottish Open | 11/22 17:40 | 4 | Mendrek, Adam v Ho-Shue, Jason Anthony | L | 0-2 | |
| Scottish Open | 11/21 20:50 | 5 | Manota, Abhinav v Mendrek, Adam | W | 1-2 | |
| Scottish Open Qual | 11/21 14:30 | - | Yang Yang v Mendrek, Adam | W | 1-2 | |
| Hungarian Int. | 10/31 14:40 | 5 | Thoegersen, M. v Mendrek, Adam | L | 2-1 | |
| Dutch Open | 10/08 15:40 | 6 | Nikolov, Daniel v Mendrek, Adam | L | 2-0 | |
| World Championships | 08/19 16:10 | 6 | Burestedt, Felix v Mendrek, Adam | L | 2-0 | |
| Bulgarian Open | 08/13 15:30 | - | Mendrek, Adam v Jeppe Bruun | L | 0-2 | |
| Hellas Open | 08/09 07:10 | - | Mendrek, Adam v Mads Christophersen | L | 0-2 | |
| Azerbaïdjan Int. - Qualif. | 06/06 10:00 | - | Gunnarsson, Kari v Mendrek, Adam | W | 0-2 | |
| Jamaica Int. | 03/08 21:00 | - | Mendrek, Adam v Job Castillo | L | 1-2 | |
| Giraldilla Int. XD | 12/19 19:55 | 1 | Hsu, Jen Hao v Mendrek, Adam | L | 2-0 | |
| Giraldilla Int. XD | 12/18 23:09 | - | Tamang, Ratnajit v Mendrek, Adam | W | 0-2 | |
| Giraldilla Int. XD | 12/18 22:00 | 1 | Tamang, Ratnajit v Mendrek, Adam | W | 0-2 | |
| Dutch Open | 10/10 15:35 | 5 | Kurt, Muhammed Ali v Mendrek, Adam | L | 2-0 | |
| Dutch Open | 10/09 18:00 | 6 | Persson, Jonathan v Mendrek, Adam | W | 1-2 | |
| Giraldilla Int. XD | 08/29 14:00 | 5 | Mendrek, Adam v Toby Penty | L | 0-2 | |
| Open d'Angleterre | 07/30 02:00 | 6 | Shi, Y. Q. v Mendrek, Adam | L | 2-0 | |
| Giraldilla Int. XD | 05/09 04:10 | 5 | Junpeng Zhao v Mendrek, Adam | L | 2-0 |