Stadium: media4more Court 1 Round: 62 Ground: Clay
| ITF M15 Kottingbrunn | 2024/08/19 09:00 | Yvo Panak v Leo Gutjahr | 6-0,6-1 |
| ITF M25 Kramsach | 2024/07/21 07:00 | Batiste Guerra v Leo Gutjahr | 6-4,3-6,10-8 |
| ITF M25 Aarhus | 2024/06/09 13:00 | Leo Gutjahr v Melvin Kumar | 6-7,2-6 |
| ITF M15 Heraklion | 2024/03/04 10:00 | Stephanos Schinas v Leo Gutjahr | 6-2,6-0 |
| ITF M15 Kottingbrunn | 2024/08/21 09:30 | Lukas H Lilleengen v Elmar Ejupovic | 6-4,1-6,1-6 |
| ITF M15 Vaasa | 2024/08/07 11:25 | Alvin N Tudorica v Lukas H Lilleengen | 6-1,6-2 |
| ITF M25 Roehampton | 2024/07/28 12:55 | Toby Martin v Lukas H Lilleengen | 6-4,6-2 |
| ITF M15 Kalmar | 2024/05/14 10:30 | Jurriaan Bol v Lukas H Lilleengen | 7-6,6-1 |
| ITF M15 Kalmar | 2024/05/13 13:25 | Alex Skoglund v Lukas H Lilleengen | 1-6,0-6 |
| ITF M25 Varnamo | 2024/05/08 11:30 | Edoardo Lavagno v Lukas H Lilleengen | 6-0,6-2 |
| ITF M25 Faro | 2024/02/25 10:00 | Matej Vocel v Lukas H Lilleengen | 6-3,6-3 |
| ITF M25 Vila Real de Santo Antonio | 2024/02/20 12:20 | Lukas H Lilleengen v Osgar O'Hoisin | 0-6,3-6 |