| Qatar Open XD | 2018/03/13 14:20 | Grinninger, Thomas v Laurens Devos | L | 2-3 |
| Qatar Open XD | 2018/03/09 08:10 | Tomas Polansky v Grinninger, Thomas | L | 4-0 |
| Qatar Open XD | 2017/11/22 09:05 | Grinninger, Thomas v Casares, Rafael | W | 3-2 |
| Qatar Open XD | 2017/10/31 15:30 | Adam Szudi v Grinninger, Thomas | W | 1-4 |
| Qatar Open XD | 2017/10/31 11:00 | Pieraert, Valentin v Grinninger, Thomas | L | 4-2 |
| Qatar Open XD | 2016/11/09 07:46 | Chen, Diogo v Grinninger, Thomas | L | 3-0 |
| Qatar Open 2019, MS | 2016/10/30 10:36 | Jesus Machado v Grinninger, Thomas | W | 0-3 |
| Qatar Open 2019, MS | 2016/10/30 09:13 | Machado, Carlos v Grinninger, Thomas | L | 3-0 |
| Qatar Open XD | 2018/03/13 08:00 | Walaszek, Przemyslaw v Laurens Devos | L | 2-3 |