| 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 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/09/20 15:10 | Hammes, Felix v Brady, Mark | W | 2-1 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/09/20 08:45 | Cybulski, Robert v Hammes, Felix | W | 0-2 |
| Giraldilla Int. XD | 2017/04/12 09:56 | Jones, David v Hammes, Felix | L | 2-1 |
| Dutch Int. - Qualif. | 2019/04/11 11:10 | Jaeger, Jonas v Spencer-Smith, Michael | W | 2-1 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/01/18 11:00 | Lu, Kaj Sjang v Jaeger, Jonas | L | 2-1 |