| Slovak Open | 04/19 14:40 | - | Markus Barth v Dominik Kwinta | L | 0-2 | |
| Slovak Open | 04/19 09:00 | - | Markus Barth v Dhruv Rawat | W | 2-1 | |
| Slovak Open | 04/18 14:10 | - | Markus Barth v Yazgan Calisir | W | 2-0 | |
| EM | 04/10 09:45 | - | Magnus Johannesen v Markus Barth | L | 2-0 | |
| Polish Open | 03/22 14:40 | - | Kai Schaefer v Markus Barth | L | 2-0 | |
| German Open - Kval | 02/27 08:45 | 4 | Joakim Oldorff v Markus Barth | L | 2-0 | |
| Uganda Int. | 02/23 07:30 | - | Markus Barth v Anuoluwapo Juwon Opeyori | L | 1-2 | |
| Azerbajdzjan Int. | 02/09 11:20 | - | Markus Barth v Dmitriy Panarin | L | 0-2 | |
| Swedish Open | 01/19 14:00 | - | Markus Barth v Enogat Roy | L | 0-2 | |
| Estonian Int. | 01/12 09:55 | - | Jia Wei Joel Koh v Markus Barth | L | 2-1 | |
| Norwegian Int. | 11/10 10:20 | - | Markus Barth v Mikolaj Szymanowski | L | 0-2 | |
| Hylo Open Qual | 10/31 08:30 | 3 | Markus Barth v Luka Wraber | L | 0-2 | |
| Abu Dhabi Masters | 10/18 06:00 | 6 | Korakrit Laotrakul v Markus Barth | L | 2-0 | |
| Dutch Open | 10/12 15:20 | - | Markus Barth v Mads Juel Moller | L | 0-2 | |
| Scottish Open | 10/06 11:20 | - | Samuel O'Brien Ricketts v Markus Barth | L | 2-1 | |
| Kamerun Int. | 08/27 11:00 | - | Somi Romdhani v Markus Barth | W | 1-2 | |
| Europaspelen | 06/29 10:00 | - | Julien Carraggi v Markus Barth | L | 2-1 | |
| Denmark Masters | 06/09 13:00 | - | Alwi Farhan v Markus Barth | L | 2-0 | |
| Denmark Masters - Kval | 06/08 12:40 | - | Markus Barth v Emil Dantler | W | 2-0 | |
| Denmark Masters - Kval | 06/08 09:45 | - | Tobias Kuenzi v Markus Barth | - | Walkover | |
| Austrian Open - Kval | 05/25 09:10 | - | Markus Barth v Aria Dinata | L | 1-2 | |
| Dutch Int. | 04/14 16:25 | - | Markus Barth v Lucas Claerbout | L | 0-2 | |
| Dutch Int. | 04/14 11:45 | - | Markus Barth v Rohan Midha | W | 2-1 | |
| Polish Open - Kval | 03/23 13:05 | - | Markus Barth v Enogat Roy | L | 1-2 | |
| Polish Open - Kval | 03/22 18:55 | - | Kevin Arokia Walter v Markus Barth | - | Retired | |
| Portugal Int. - Kval | 03/09 17:00 | - | Markus Barth v Victor Ørding Kauffmann | L | 0-2 | |
| Portugal Int. | 03/09 09:30 | - | Markus Barth v Yanis Gaudin | - | Walkover | |
| Portugal Int. - Kval | 03/08 15:50 | - | Markus Barth v Enrico Baroni | W | 2-1 | |
| Uganda Int. | 02/22 07:20 | - | Jean Bernard Bongout v Markus Barth | W | 0-2 | |
| Island - Int. | 01/28 11:20 | - | Mads Juel Moller v Markus Barth | L | 2-0 |