Stadium: Court 1 Round: 54 Ground: Clay
| ITF M15 Bratislava | 2021/08/26 09:15 | Lukas H Lilleengen v Pavel Nejedly | 2-6,3-6 |
| ITF M15 Bratislava | 2021/08/25 10:05 | Eero Vasa v Lukas H Lilleengen | 5-7,7-6,5-7 |
| ITF M15 Bratislava | 2021/08/24 08:00 | Antonin Stepanek v Lukas H Lilleengen | 6-0,4-6,3-10 |
| ITF M15 Bratislava | 2021/08/23 09:00 | Patrik Jancovic v Lukas H Lilleengen | 0-6,2-6 |
| ITF M15 Bratislava | 2021/08/17 08:00 | Zsombor Velcz v Lukas H Lilleengen | 7-5,6-2 |
| ITF M15 Bratislava | 2021/08/16 12:00 | Isa Mammetgulyyev v Lukas H Lilleengen | 3-6,1-6 |
| ITF M15 Frederiksberg | 2021/08/01 08:00 | Lukas H Lilleengen v Facundo Yunis | 6-3,1-6,5-10 |
| ITF M15 Vejle | 2021/07/25 07:00 | Lukas H Lilleengen v Carl Emil Overbeck | 2-6,6-4,7-10 |
| ITF M15 Zilina | 2021/08/30 09:30 | Janos Fekete v Franco Roncadelli | 6-3,6-2 |
| ITF M15 Bratislava | 2021/08/25 09:25 | Janos Fekete v Stefan Palosi | 3-6,4-6 |
| ITF M15 Bratislava | 2021/08/24 08:00 | Marek Semjan v Janos Fekete | 4-6,4-6 |
| ITF M15 Bratislava | 2021/08/23 09:00 | Janos Fekete v Leyton Rivera | 6-2,7-5 |
| ITF M15 Warmbad-Villach | 2021/08/16 12:30 | Janos Fekete v Franco Ribero | 6-3,4-6,5-10 |
| ITF M15 Warmbad-Villach | 2021/08/15 07:00 | Michael Gloeckler v Janos Fekete | 1-6,3-6 |
| ITF M15 Doboj | 2021/07/12 08:00 | Drazen Petrovic v Janos Fekete | 6-4,2-6,13-11 |
| ITF M15 Doboj | 2021/07/11 11:00 | Janos Fekete v Felipe Derdoy | 3-6,7-5,10-7 |