| European Club Championships | 2019/07/05 15:30 | Vladimir Malkov v Mattias Xu | L | 2-0 |
| Lithuanian International - Qualifikation | 2019/06/06 10:40 | Andis Berzins v Mattias Xu | W | 0-2 |
| Swiss Open - Frauendoppel - Qualifikation | 2019/02/27 07:30 | Bedrich Valenta v Mattias Xu | L | 2-1 |
| Slovenia International - Qualifikation | 2019/05/15 10:00 | Gasper Krivec v Matej Polacek | L | 2-0 |