| Slovenia Future Series | 2021/11/26 17:05 | Ivan Rusev v Brian Holtschke | W | 1-2 |
| Bonn Int. | 2023/06/02 08:10 | Henrikho Kho Wibowo v Brian Holtschke | L | 2-0 |
| Bonn Int. | 2023/06/01 12:00 | Brian Holtschke v Amaury Lievre | W | 2-1 |
| Austrian Open Qual | 2023/05/25 10:20 | Brian Holtschke v Tino Daoudal | L | 0-2 |
| Slovenia Open Quals | 2023/05/18 07:20 | Brian Holtschke v Chen Xun Zhao | L | 1-2 |
| Slovenia Open Quals | 2023/05/17 14:35 | Rune Van Dalm v Brian Holtschke | W | 0-2 |
| Slovenia Open Quals | 2023/05/17 07:00 | Brian Holtschke v Yanis Gaudin | W | 2-0 |
| Luxembourg Open Qual | 2023/05/04 14:10 | Finn Achthoven v Brian Holtschke | L | 2-1 |
| Luxembourg Open Qual | 2023/05/04 10:10 | Jacob Hjorth v Brian Holtschke | W | 1-2 |
| Austrian Open Qual | 2023/05/25 08:00 | Karan Rajan Rajarajan v Ivan Rusev | L | 2-1 |
| Slovenia Open Quals | 2023/05/17 07:40 | Kuan Lin Kuo v Ivan Rusev | L | 2-0 |
| Luxembourg Open Qual | 2023/05/04 07:20 | Heng Lin Ngan v Ivan Rusev | L | 2-1 |
| Dutch Int. | 2023/04/14 11:45 | Ivan Rusev v S. Sankar Muthusamy Subramanian | L | 0-2 |
| Dutch Int. Qual | 2023/04/13 11:50 | Ivan Rusev v Joonas Korhonen | W | 2-0 |
| Polish Open Qual | 2023/03/23 12:30 | Joakim Oldorff v Ivan Rusev | L | 2-0 |
| Polish Open Qual | 2023/03/23 09:45 | Ernesto Baschwitz v Ivan Rusev | W | 1-2 |
| Polish Open Qual | 2023/03/22 17:20 | Yehor Nechai v Ivan Rusev | W | 0-2 |