Stadium: Court 9 Round: 54 Ground: Clay
| ITF M15 Marburg | 2019/07/11 15:00 | Echazu, Mauricio v Muscheites, Lasse | 4-6,6-2,7-6 |
| ITF M15 Marburg | 2019/07/10 09:00 | Diarra, Gibril v Muscheites, Lasse | 6-4,4-6,6-7 |
| ITF M15 Marburg | 2019/07/08 09:00 | Matthew Dellavedova v Muscheites, Lasse | 7-5,2-6,9-11 |
| ITF M15 Marburg | 2019/07/08 07:00 | Muscheites, Lasse v Niklas Schell | 6-4,6-2 |
| Saarlouis, Singles Qualifying M-ITF-GER-07A | 2019/07/01 08:00 | Muscheites, Lasse v Yannik Steinegger | 4-6,5-7 |
| ITF USA F35 | 2015/11/30 15:00 | Kamynin, Dmytro v Muscheites, Lasse | 5-7,6-4,6-2 |
| ITF Netherlands F1 Qual | 2015/06/14 08:00 | Muscheites, Lasse v Sudzum, Marcel Marlon | 6-3,6-0 |
| ITF Netherlands F1 Qual | 2015/06/13 08:30 | de Valk, Roy Sarut v Muscheites, Lasse | 4-6,6-3,3-6 |