| Polish Int. | 2019/09/21 09:10 | Christensen, Jeppe Bruun v Tobias Kuenzi | W | 0-2 |
| Polish Int. | 2019/09/20 09:40 | Brian Holtschke v Tobias Kuenzi | W | 0-2 |
| Spanish Int. Qual | 2019/06/13 07:00 | Arnaud Merkle v Tobias Kuenzi | L | 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 |
| Polish Int. | 2019/09/21 09:55 | Ivan Rusev v Leon Seiwald | W | 2-0 |
| Polish Int. | 2019/09/20 10:20 | Ivan Rusev v Milic, Luka | W | 2-0 |
| Belgian International 2019, MS | 2019/09/12 09:20 | Luka Wraber v Ivan Rusev | L | 2-1 |
| Belgian Int. Qual | 2019/09/11 16:15 | Ivan Rusev v Elias Bracke | W | 2-0 |
| Bulgarian Open | 2019/08/14 08:00 | Ivan Rusev v Ditlev Jaeger Holm | L | 0-2 |
| White Nights | 2019/07/11 10:30 | Wolfgang Gnedt v Ivan Rusev | L | 2-1 |
| Open de Suisse - Doubles Femmes - Qualif. | 2019/02/20 13:30 | Ivan Rusev v Li, S. F. | L | 0-2 |
| Open de Suisse - Doubles Femmes - Qualif. | 2019/02/20 09:00 | Ivan Rusev v Kim Kristensen, D. | W | 2-0 |