| Kharkiv International 2019, MS | 2019/09/06 09:30 | Luis Enrique Penalver v Emre Lale | L | 1-2 |
| World Championships | 2019/08/20 08:40 | Kento Momota v Luis Enrique Penalver | L | 2-0 |
| World Championships | 2019/08/19 08:40 | Luis Enrique Penalver v Moreels, Maxime | W | 2-0 |
| US Open 2019, MS | 2019/07/10 16:10 | Sun, F. v Luis Enrique Penalver | L | 2-0 |
| Canada Open | 2019/07/03 01:20 | Luis Enrique Penalver v Corvee, Lucas | L | 0-2 |
| Spanish Int. | 2019/06/13 12:45 | Luis Enrique Penalver v Kai Schaefer | L | 0-2 |
| Azerbaïdjan Int. | 2019/06/08 07:30 | Luis Enrique Penalver v Kai Schaefer | L | 0-2 |
| Azerbaïdjan Int. | 2019/06/07 15:00 | Verma, Sourabh v Luis Enrique Penalver | W | 0-2 |
| Kharkiv International 2019, MS, Qualification | 2019/09/04 11:30 | Leon Seiwald v Gergo Pytel | L | 1-2 |
| Belarus Int. | 2019/08/30 10:40 | Must, Raul v Leon Seiwald | L | 2-1 |
| Slovenia Int. Qual | 2019/05/15 08:30 | Leon Seiwald v B.M. Rahul Bharadwaj | L | 0-2 |
| Open de Suisse - Doubles Femmes - Qualif. | 2019/02/21 09:10 | Setiabudi, Bobby v Leon Seiwald | L | 2-0 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/12/13 13:45 | Enghoej, M. v Leon Seiwald | W | 0-1 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/12/13 08:30 | Grimley, Christopher v Leon Seiwald | W | 0-2 |
| Giraldilla Int. XD | 2018/11/02 09:55 | Toft, Jesper v Leon Seiwald | L | 2-1 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/09/27 12:10 | Savatyugin, Artyom v Leon Seiwald | W | 0-2 |