Stadium: Centre Court Versmold Round: 1
| DTB German Pro Series | 2020/06/14 11:00 | Marvin Moeller v Lucas Gerch | 4-6,5-7 |
| DTB German Pro Series | 2020/06/13 08:30 | Ehrenschneider, Nino v Marvin Moeller | 4-6,6-3,6-2 |
| DTB German Pro Series | 2020/06/12 13:00 | Stebe, Cedrik-Marcel v Marvin Moeller | 7-5,2-6,6-4 |
| DTB German Pro Series | 2020/06/11 08:00 | Jahn, Jeremy v Marvin Moeller | 6-3,0-6,3-6 |
| ITF M15 Loule | 2020/03/12 11:00 | Banes, Maverick v Marvin Moeller | 6-2,2-6,6-3 |
| ITF M15 Loule | 2020/03/11 10:30 | Yannik Steinegger v Marvin Moeller | 3-6,4-6 |
| ITF M15 Loule | 2020/03/09 15:45 | Marvin Moeller v Miranda Cisneros, Jose Joaquin | 6-2,6-2 |
| ITF M15 Loule | 2020/03/09 11:00 | Roglan, Albert v Marvin Moeller | 7-6,5-7,8-10 |
| ITF - M15 Oberhaching | 2020/02/20 11:00 | Jakub Paul v Seifert, Stefan | 6-4,6-7,6-4 |
| ITF - M15 Héraklion | 2020/02/13 08:30 | Antonio Massara v Seifert, Stefan | 6-3,7-5 |
| ITF - M15 Héraklion | 2020/02/11 09:30 | Stamoulos, Ioannis v Seifert, Stefan | 0-6,6-2,3-6 |
| ITF - M15 Veigy-Foncenex | 2020/01/30 11:45 | Robert, Quentin v Seifert, Stefan | 7-6,4-6,6-3 |
| ITF - M15 Veigy-Foncenex | 2020/01/29 14:40 | Seifert, Stefan v Briand, Jurgen | 7-6,6-1 |
| ITF - M15 Veigy-Foncenex | 2020/01/27 09:00 | Seifert, Stefan v Smits, Glenn | 6-4,6-1 |
| ITF - M25 Nussloch | 2020/01/24 14:30 | Seifert, Stefan v Jonas Forejtek | 6-1,6-7,3-6 |
| ITF - M25 Nussloch | 2020/01/23 11:30 | Erler, Alexander v Seifert, Stefan | 4-6,3-6 |