| Latvia Int. Qual | 2019/05/31 07:00 | Felix Hammes v Ludvig Smith-Meyer | W | 2-0 |
| Latvia Int. Qual | 2019/05/30 16:30 | Alexander Svensson v Felix Hammes | W | 0-2 |
| Hellas International - Qualifikation | 2019/05/02 15:00 | Muhammet Ozdemir v Felix Hammes | W | 0-2 |
| Swiss Open - Frauendoppel - Qualifikation | 2019/01/10 07:00 | Joonas Korhonen v Felix Hammes | L | 2-0 |
| Swiss Open - Frauendoppel - Qualifikation | 2018/09/21 07:00 | Dinuka Karunaratna v Felix Hammes | L | 2-0 |
| Swiss Open - Frauendoppel - Qualifikation | 2018/09/20 15:10 | Felix Hammes v Mark Brady | W | 2-1 |
| Swiss Open - Frauendoppel - Qualifikation | 2018/09/20 08:45 | Robert Cybulski v Felix Hammes | W | 0-2 |
| Giraldilla International - Gemischtes Doppel | 2017/04/12 09:56 | David Jones v Felix Hammes | L | 2-1 |
| Dutch International - Qualifikation | 2019/04/11 11:10 | Jonas Jaeger v Michael Spencer-Smith | W | 2-1 |
| Swiss Open - Frauendoppel - Qualifikation | 2018/01/18 11:00 | Kaj Sjang Lu v Jonas Jaeger | L | 2-1 |