Open de Suisse - Doubles Femmes - Qualif. | 2018/01/11 08:30 | Loo, Marcus v Valentin Singer | L | 0-2 |
Open de Suisse - Doubles Femmes - Qualif. | 2018/02/21 10:40 | Peng, David v Leon Seiwald | L | 2-1 |
Open de Suisse - Doubles Femmes - Qualif. | 2017/12/05 14:26 | Leon Seiwald v Correl, Peter | L | 1-2 |
Indonesia Masters XD | 2017/05/22 02:20 | Ng, Zin Rei Ryan v Leon Seiwald | L | 2-1 |
Giraldilla Int. XD | 2017/03/09 21:47 | Lidman, Douglas v Leon Seiwald | L | 2-0 |