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