| Hatzor Int | 2019/10/25 13:00 | Matthew Abela v Klauer, Christopher | W | 0-2 |
| Hatzor Int | 2019/10/24 12:00 | Klauer, Christopher v Sames, Mark | W | 2-1 |
| Hatzor Int | 2019/10/24 10:00 | Klauer, Christopher v Peleg, Stav | W | 2-0 |
| Belgian Int. Qual | 2019/09/11 12:55 | Samuel Hsiao v Klauer, Christopher | L | 2-0 |
| Hellas Int. Qual | 2019/05/03 06:00 | Klauer, Christopher v Yazgan Calisir | W | 2-1 |
| Hellas Int. Qual | 2019/05/02 14:30 | Klauer, Christopher v Tsigirdakis, Stamatis | W | 2-1 |
| Hellas Int. Qual | 2019/05/02 11:30 | Klauer, Christopher v Yilmaz, Batuhan | W | 2-0 |
| Dutch Int. - Qualif. | 2019/04/11 18:00 | Bugtrup, Sebastian v Klauer, Christopher | L | 2-0 |
| Hatzor Int | 2019/10/25 13:00 | Hammes, Felix v Fung, Oswald | W | 2-0 |
| Hatzor Int | 2019/10/25 08:40 | Beketov, Glib v Hammes, Felix | W | 0-2 |
| Belgian Int. Qual | 2019/09/11 09:40 | Hammes, Felix v Jaeger, Jonas | L | 1-2 |
| Latvia Int. Qual | 2019/05/31 07:00 | Hammes, Felix v Smith-Meyer, Ludvig | W | 2-0 |
| Latvia Int. Qual | 2019/05/30 16:30 | Svensson, Alexander v Hammes, Felix | W | 0-2 |
| Hellas Int. Qual | 2019/05/02 15:00 | Ozdemir, Muhammet v Hammes, Felix | W | 0-2 |
| Open de Suisse - Doubles Femmes - Qualif. | 2019/01/10 07:00 | Joonas Korhonen v Hammes, Felix | L | 2-0 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/09/21 07:00 | Karunaratna, D. v Hammes, Felix | L | 2-0 |