| Dutch International | 2019/04/13 14:00 | Mads Christophersen v Arnaud Merkle | L | 2-0 |
| Dutch International | 2019/04/13 08:00 | Joran Kweekel v Arnaud Merkle | W | 1-2 |
| Dutch International | 2019/04/12 08:00 | Jeppe Bruun Christensen v Arnaud Merkle | W | 0-2 |
| Swiss Open - Dublu Feminin - Calificari | 2019/03/12 14:30 | Raul Must v Arnaud Merkle | L | 2-0 |
| Swiss Open - Dublu Feminin - Calificari | 2019/03/12 11:40 | Alexander Roovers v Arnaud Merkle | W | 0-1 |
| Giraldilla Int. XD | 2019/03/08 10:00 | Michal Rogalski v Arnaud Merkle | L | 2-0 |
| Swiss Open - Dublu Feminin - Calificari | 2019/01/17 14:00 | Peter Correl v Arnaud Merkle | W | 0-2 |
| Estonian Int. | 2019/01/13 10:00 | Arnaud Merkle v Joran Kweekel | W | 2-0 |
| Spanish International - Calificari | 2019/06/12 12:30 | Alex Marritt v Tobias Kuenzi | W | 0-2 |
| Sudirman Cup | 2019/05/20 04:00 | Tobias Kuenzi v Mark Sames | L | 1-2 |
| Hellas International | 2019/05/05 06:30 | Tobias Kuenzi v Dimitar Yanakiev | L | 0-2 |
| Hellas International | 2019/05/04 14:40 | Tobias Kuenzi v Collins Valentine Filimon | W | 2-0 |
| Hellas International | 2019/05/04 08:05 | Julien Carraggi v Tobias Kuenzi | W | 1-2 |
| Hellas International | 2019/05/03 10:00 | Patrick Abildgaard v Tobias Kuenzi | W | 0-2 |
| Croatian International | 2019/04/20 08:30 | Tobias Kuenzi v B.M. Rahul Bharadwaj | L | 0-2 |
| Polish Open - Calificari | 2019/03/28 15:30 | Tobias Kuenzi v Alex Lane | L | 0-2 |