Stadium: Centre Court Round: 45 Ground: Carpet indoor
| ITF - M15 Antalya | 2019/09/17 07:00 | Muscheites, Lasse v Patzanovsky, Christopher | 4-6,7-5,8-10 |
| ITF - M15 Antalya | 2019/09/16 07:30 | Muscheites, Lasse v Marko, Michal | 6-3,6-4 |
| ITF M15 Haren | 2019/08/28 09:00 | David Pichler v Muscheites, Lasse | 7-6,6-2 |
| ITF M15 Haren | 2019/08/27 09:00 | Walder, Jim v Muscheites, Lasse | 3-6,5-7 |
| ITF M15 Lambermont | 2019/08/21 12:05 | Demeroutis, Nicolas v Muscheites, Lasse | 6-3,6-4 |
| ITF M15 Lambermont | 2019/08/20 09:40 | Muscheites, Lasse v Freire Da Silva, Nathan | 6-3,6-3 |
| ITF M15 Lambermont | 2019/08/19 12:05 | Muscheites, Lasse v Stoffels, Romain | 1-6,6-1,10-3 |
| ITF M15 Marburg | 2019/07/11 15:00 | Echazu, Mauricio v Muscheites, Lasse | 4-6,6-2,7-6 |
| ITF France F19 Qual | 2018/09/22 12:45 | Every, Michael-John v Marchal, Quentin | 6-1,6-2 |
| ITF France F13 Qual | 2018/07/07 08:50 | Marchal, Quentin v Klein, Batiste | 4-6,5-7 |