Stadium: Court 5 Oberhaching Round: 44 Ground: Hardcourt indoor
| ITF M25 Ueberlingen | 2021/08/16 14:10 | Andre Steinbach v Laurin Aerne | 4-6,6-3,10-0 |
| ITF M25 Kottingbrunn | 2021/07/18 07:30 | Laurin Aerne v Jan Jermar | 1-6,2-6 |
| ITF M25 Uriage | 2021/07/11 12:55 | Julien De Cuyper v Laurin Aerne | 6-3,7-5 |
| ITF M25 Klosters | 2021/06/20 08:40 | Edoardo Graziani v Laurin Aerne | 6-1,2-6,10-6 |
| ITF M25 Trimbach | 2021/03/08 17:15 | Nicolas Affolter v Laurin Aerne | 5-7,7-6,10-8 |
| ITF M25 Klosters | 2020/09/15 09:20 | Federico Iannaccone v Laurin Aerne | 6-2,6-4 |
| ITF M25 Klosters | 2020/09/14 11:50 | Sven Brocker v Laurin Aerne | 4-6,4-6 |
| ITF M25 Nussloch | 2020/01/19 09:00 | Kai Wehnelt v Laurin Aerne | 6-2,6-0 |
| German Championship | 2021/12/09 10:00 | Milan Welte v Luca Gelhardt | 4-6,6-3,6-6 |
| German Championship | 2021/12/08 09:00 | Thomas Jan Dafcik v Milan Welte | 2-6,3-6 |
| ITF M25 Villers Les Nancy | 2021/11/09 12:05 | Antoine Monaco v Milan Welte | 6-1,6-7,6-2 |
| ITF M25 Sarreguemines | 2021/10/27 14:00 | Calvin Hemery v Milan Welte | 6-4,6-2 |
| ITF M25 Hamburg | 2021/10/19 11:25 | Henri Squire v Milan Welte | 6-2,6-2 |
| ITF M25 Hamburg | 2021/10/17 13:15 | Milan Welte v Ben Jones | 6-4,6-4 |
| ITF M25 Hamburg | 2021/10/17 10:10 | Milan Welte v Sean Marcel Saal | 6-1,6-2 |
| ITF M15 Forbach | 2021/09/29 13:00 | Arthur Reymond v Milan Welte | 6-1,6-7,6-4 |