| Slovak Open Qual | 02/26 14:55 | - | Alejandro Alcala v Hannes Gerberich | L | 2-0 | |
| Austrian Open - Kval | 02/19 14:15 | - | Hannes Gerberich v Collins Valentine Filimon | L | 0-2 | |
| Slovenia - Future Series | 11/22 10:10 | - | Hannes Gerberich v Harry Huang | L | 0-2 | |
| Slovenia - Future Series - Kval | 11/21 18:30 | - | Hannes Gerberich v Jesper Paul | W | 2-0 | |
| Slovenia - Future Series - Kval | 11/21 15:05 | - | Hannes Gerberich v Nicolas Muller | W | 2-0 | |
| Ungarn - Internasjonal - Kval | 10/30 10:20 | - | Hannes Gerberich v Gergo Pytel | L | 0-2 | |
| Polish Int. - Kval | 09/19 08:45 | - | Philip I Klindt v Hannes Gerberich | L | 2-0 | |
| Belgian Int. - Kval | 09/11 10:40 | - | Hannes Gerberich v Joran Kweekel | L | 0-2 | |
| Kharkiv Int. Qual | 09/05 06:00 | - | Hannes Gerberich v Elias Bracke | L | 0-2 | |
| Bulgarian Open Qual | 08/12 07:40 | - | Martin Ouazzen v Hannes Gerberich | L | 2-0 | |
| Orleans Masters - Kval | 03/19 08:35 | - | Hannes Gerberich v Elias Bracke | L | 0-2 | |
| Swiss Open - Kvinnedouble - Kval | 02/20 09:30 | - | Hannes Gerberich v Yoshitaka Ogura | L | 1-2 |