| Lithuanian Int. Qual | 06/08 10:30 | - | Rui Yang Ryan Tan v Leo Holzmer | L | 2-0 | |
| Lithuanian Int. Qual | 06/08 07:35 | - | Vladyslav Stepanchenko v Leo Holzmer | W | 0-2 | |
| Luxembourg Open Qual | 05/04 09:20 | - | Aaron Sonnenschein v Leo Holzmer | L | 2-0 | |
| Dutch Int. Qual | 04/13 09:25 | - | Leo Holzmer v Andre Irpola | - | View | |
| Portugal Int. Qual | 03/08 09:00 | - | Filip Spoljarec v Leo Holzmer | L | 2-0 | |
| Slovenia Int. Qual | 05/18 10:40 | - | Leo Holzmer v Kilian Meusburger | L | 0-2 | |
| Luxembourg Open Qual | 05/05 10:20 | - | Leo Holzmer v Louis Ducrot | L | 0-2 | |
| Dutch Int. Qual | 04/13 09:00 | - | Nadeem Dalvi v Leo Holzmer | L | 2-0 | |
| Slovenia Future Series Qual | 11/25 10:10 | 6 | Leo Holzmer v Ivan Pejoski | W | 2-0 | |
| Hellas Int. Qual | 09/02 07:00 | - | Andrej Antoska v Leo Holzmer | L | 2-0 | |
| European Team Championships | 02/12 11:30 | - | Joran Kweekel v Leo Holzmer | L | 2-0 |