| Irish Open Qual | 11/12 10:30 | 6 | Sebastian Kadlec v Adith Karthikeyan Priya | - | away | |
| Norwegian International | 11/06 13:50 | - | Sebastian Kadlec v Andrei Don | L | 0-2 | |
| Norwegian International | 11/06 09:00 | - | Sebastian Kadlec v Matiss Deksnis | W | 2-0 | |
| Hungarian Int. | 10/29 15:05 | - | Adith Karthikeyan Priya v Sebastian Kadlec | L | 2-0 | |
| Bulgarian Int Qual | 10/02 07:30 | - | Orestis Chotoumanidis v Sebastian Kadlec | L | 2-0 | |
| Polish Int. Qual | 09/18 11:40 | - | Ci Fu Lei v Sebastian Kadlec | L | 2-0 | |
| Polish Int. Qual | 09/18 08:00 | - | Dmytro Shcherbatiuk v Sebastian Kadlec | W | 1-2 | |
| Slovenia Open | 05/14 16:30 | - | Sebastian Kadlec v Ilija Nicolussi | L | 0-2 | |
| Slovenia Open | 05/14 12:25 | - | Kevin Lin Lenarcic v Sebastian Kadlec | W | 1-2 | |
| Slovak Open Qual | 05/08 07:35 | - | Sebastian Kadlec v Leon Seiwald | L | 0-2 | |
| Slovak Open Qual | 05/07 14:35 | - | Sebastian Kadlec v Matthew Waring | W | 2-1 | |
| Slovak Open Qual | 05/07 09:20 | - | Piotr Krajewski v Sebastian Kadlec | W | 1-2 | |
| Malta Int. | 04/24 10:35 | - | Sebastian Kadlec v Andrzej Niczyporuk | L | 0-2 | |
| Polish Open Qual | 03/19 18:20 | - |
Sebastian Kadlec v
Jeppe Bruun
|
L | 0-2 | |
| Polish Open Qual | 03/19 10:10 | - | Piotr Krajewski v Sebastian Kadlec | W | 1-2 | |
| Euro Mixed Team Champs | 12/05 11:00 | - | Sebastian Kadlec v Gustav Bjorkler | - | View | |
| Hungarian Int. | 10/30 09:00 | - | Ziga Podgorsek v Sebastian Kadlec | L | 2-1 | |
| Czech Open Qual | 10/17 16:00 | - | Sebastian Kadlec v Andrzej Niczyporuk | L | 0-2 | |
| Czech Open Qual | 10/17 08:00 | - | Southern Utah Women v Sebastian Kadlec | W | 0-2 | |
| Slovak Open Qual | 04/17 09:20 | - | Sebastian Kadlec v Michael Tomic | L | 0-2 | |
| Polish Open Qual | 03/20 08:35 | - | Sebastian Kadlec v Mateusz Danielak | L | 0-2 | |
| Hungarian Int. Qual | 11/01 17:20 | - | Sebastian Kadlec v Dominik Kopriva | L | 1-2 | |
| Hungarian Int. Qual | 11/01 11:30 | - | Michal Szczypka v Sebastian Kadlec | W | 1-2 | |
| Czech Open Qual | 10/19 10:30 | - | Kyrylo Leonov v Sebastian Kadlec | L | 2-0 | |
| Croatia Int. Qual | 09/28 12:15 | - | Sebastian Kadlec v USFAS | L | 0-2 | |
| Slovenia Future Series Qual | 09/07 09:20 | - | Sebastian Kadlec v Ivan Druzchenko | L | 0-2 | |
| Lithuanian Int. Qual | 06/08 09:05 | - | Yegor Romaniuk v Sebastian Kadlec | L | 2-0 | |
| Dutch Int. Qual | 04/13 08:50 | - | Marcus Viscovich v Sebastian Kadlec | L | 2-0 | |
| Polish Open Qual | 03/22 09:45 | - | Sebastian Kadlec v Aaron Sonnenschein | L | 0-2 | |
| Portugal Int. Qual | 03/08 12:10 | - | Sebastian Kadlec v Joonas Korhonen | L | 0-2 |
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