| Internacional de Giraldilla - Duplas Mistas | 2019/02/16 10:30 | Lamsfuss/Seidel v Ivanov/Sozonov | L | 2-0 |
| Internacional de Giraldilla - Duplas Mistas | 2019/02/14 14:30 | Ivanov/Sozonov v Lamsfuss/Seidel | W | 2-1 |
| Open da Holanda - Individuais Masculinas | 2019/10/12 13:30 | Liao/Su v Ivanov/Sozonov | W | 1-2 |
| Open da Holanda - Individuais Masculinas | 2019/10/11 16:30 | Lu/Yang v Ivanov/Sozonov | W | 1-2 |
| Open da Holanda - Individuais Masculinas | 2019/10/10 15:55 | Ivanov/Sozonov v Jansen/Kaesbauer | W | 2-1 |
| Open da Holanda - Individuais Masculinas | 2019/10/09 08:35 | Ivanov/Sozonov v Bay/Mikkelsen | W | 2-0 |
| Open da Coreia - Duplas Masculinas | 2019/09/25 11:20 | Ivanov/Sozonov v Goh/Izzuddin | L | 0-2 |
| Open da China - Duplas Masculinas | 2019/09/18 05:05 | Wang/Lee v Ivanov/Sozonov | L | 2-0 |
| Open de Taipé da China - Duplas Masculinas | 2019/09/04 14:10 | Ivanov/Sozonov v Wang/Lee | L | 1-2 |
| Campeonato Mundial - Duplas Masculinas | 2019/08/21 08:20 | Ivanov/Sozonov v Kamura/Sonoda | L | 1-2 |
| Open da Holanda - Individuais Masculinas | 2019/10/12 15:30 | Lamsfuss/Seidel v Ou/Zhang | W | 2-1 |
| Open da Holanda - Individuais Masculinas | 2019/10/11 17:10 | Maas/Tabeling v Lamsfuss/Seidel | W | 0-2 |
| Open da Holanda - Individuais Masculinas | 2019/10/10 16:25 | Bay-Smidt/Moelhede v Lamsfuss/Seidel | W | 0-2 |
| Open da Holanda - Individuais Masculinas | 2019/10/09 10:35 | Geiss/Volker v Lamsfuss/Seidel | W | 0-2 |
| Open da China - Duplas Masculinas | 2019/09/18 10:15 | Lamsfuss/Seidel v Inoue/Kaneko | L | 0-2 |
| Open do Vietname - Duplas Masculinas | 2019/09/12 09:20 | Na/Wang v Lamsfuss/Seidel | L | 2-1 |
| Open do Vietname - Duplas Masculinas | 2019/09/11 13:50 | Chang/Lu v Lamsfuss/Seidel | W | 1-2 |
| Campeonato Mundial - Duplas Masculinas | 2019/08/22 14:00 | Liu/Zhang v Lamsfuss/Seidel | L | 2-0 |