| Austria Top 12 | 11/25 15:20 | - | Robert Gardos v Thomas Grininger | L | 3-0 | |
| Austria Top 12 | 11/25 12:23 | - | Michael Binder v Thomas Grininger | W | 0-3 | |
| Open de Croacia sub-21 | 05/14 11:00 | - | Thomas Grininger v Nikita Artemenko | D |
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| Open de Catar - Dobles Mixtos | 03/22 14:55 | - | Francisco Sanchi v Thomas Grininger | L | 3-0 | |
| Open de Catar - Dobles Mixtos | 03/20 13:40 | - | Thomas Grininger v Moises Alvarez | L | 0-3 | |
| Open de Catar - Femenino | 03/07 15:20 | - | Thomas Grininger v Tomas Polansky | L | 0-4 | |
| Open de Catar - Femenino | 03/07 11:30 | - | Thomas Grininger v Alexandru Manole | L | 3-4 | |
| Open de Omán sub-21 - Femenino | 02/13 09:35 | - | Thomas Grininger v Amir Hossein Hodaei | L | 0-3 | |
| Open de Catar - Femenino | 12/04 21:13 | - | Thomas Grininger v Bence Majoros | L | 0-3 | |
| Open de Catar - Dobles Mixtos | 11/06 10:40 | 1 | Thomas Grininger v Marcelo Aguirre | L | 0-4 | |
| República Checa - Extraliga | 10/23 15:25 | 1 | Thomas Grininger v Florian Cnudde | L | 1-4 | |
| Open de Catar - Dobles Mixtos | 03/14 08:00 | 1 | Thomas Grininger v Przemyslaw Walaszek | W | 3-1 |