| European Games | 2023/06/29 10:00 | Julien Carraggi v Markus Barth | L | 2-1 |
| Denmark Masters | 2023/06/09 13:00 | Alwi Farhan v Markus Barth | L | 2-0 |
| Denmark Masters Qual | 2023/06/08 12:40 | Markus Barth v Emil Dantler | W | 2-0 |
| Austrian Open - Qualif. | 2023/05/25 09:10 | Markus Barth v Aria Dinata | L | 1-2 |
| Dutch Int. - | 2023/04/14 16:25 | Markus Barth v Lucas Claerbout | L | 0-2 |
| Dutch Int. - | 2023/04/14 11:45 | Markus Barth v Rohan Midha | W | 2-1 |
| Open de Pologne - Qualif. | 2023/03/23 13:05 | Markus Barth v Enogat Roy | L | 1-2 |
| International du Portugal Qualif. | 2023/03/09 17:00 | Markus Barth v Viktor Ording Kauffman | L | 0-2 |