| ITF M15 Antalya | 10/14 10:05 | 26 | Daniel Michalski v Lukas H Lilleengen | Retired | |
| ITF M15 Antalya | 10/13 09:00 | 25 | Lukas H Lilleengen v Kristof Minarik | 2-6,6-4,6-1 | |
| ITF M15 Antalya | 10/12 07:00 | 62 | Lukas H Lilleengen v John Sperle | 3-6,6-3,10-8 | |
| ITF M15 Antalya | 10/11 09:00 | 62 | Lukas H Lilleengen v Gonzalo Zeitune | 6-4,6-0 | |
| ITF M15 Cairo | 09/21 08:00 | 62 | Giovanni Calvano v Lukas H Lilleengen | 6-2,6-1 | |
| ITF M15 Cairo | 09/20 08:00 | 62 | Julian Gimenez v Lukas H Lilleengen | 1-6,4-6 | |
| ITF M15 Cairo | 09/19 08:30 | 62 | Lakshya Gupta v Lukas H Lilleengen | 0-6,4-6 | |
| ITF M15 Cairo | 09/13 07:00 | 62 | Gabriel Roveri Sidney v Lukas H Lilleengen | 6-3,6-7,10-8 | |
| ITF M15 Cairo | 09/12 11:00 | 62 | Atharva Sharma v Lukas H Lilleengen | 6-1,2-6,6-10 | |
| ITF M15 Zilina | 09/02 08:00 | 26 | Peter Goldsteiner v Lukas H Lilleengen | 6-7,6-0,6-2 | |
| ITF M15 Zilina | 09/01 10:55 | 25 | Lukas H Lilleengen v Dominik Kellovsky | 6-4,1-6,7-6 | |
| ITF M15 Zilina | 08/31 07:30 | 54 | Lukas H Lilleengen v Janos Fekete | 6-1,6-1 | |
| ITF M15 Bratislava | 08/26 09:15 | 26 | Lukas H Lilleengen v Pavel Nejedly | 2-6,3-6 | |
| ITF M15 Bratislava | 08/25 10:05 | 25 | Eero Vasa v Lukas H Lilleengen | 5-7,7-6,5-7 | |
| ITF M15 Bratislava | 08/24 08:00 | 54 | Antonin Stepanek v Lukas H Lilleengen | 6-0,4-6,3-10 | |
| ITF M15 Bratislava | 08/23 09:00 | 54 | Patrik Jancovic v Lukas H Lilleengen | 0-6,2-6 | |
| ITF M15 Bratislava | 08/17 08:00 | 54 | Zsombor Velcz v Lukas H Lilleengen | 7-5,6-2 | |
| ITF M15 Bratislava | 08/16 12:00 | 54 | Isa Mammetgulyyev v Lukas H Lilleengen | 3-6,1-6 | |
| ITF M15 Frederiksberg | 08/01 08:00 | 54 | Lukas H Lilleengen v Facundo Yunis | 6-3,1-6,5-10 | |
| ITF M15 Vejle | 07/25 07:00 | 54 | Lukas H Lilleengen v Carl Emil Overbeck | 2-6,6-4,7-10 | |
| ITF M15 Perugia | 07/18 12:45 | 62 | Lukas H Lilleengen v Mattia Frinzi | 3-6,3-6 | |
| ITF M25 Montauban | 06/21 13:00 | 54 | Thibault Verdier v Lukas H Lilleengen | 6-7,6-2,10-8 | |
| ITF M25 Grasse | 06/14 16:15 | 44 | Jurgen Briand v Lukas H Lilleengen | 6-1,7-6 | |
| ITF M25 Grasse | 06/14 11:40 | 44 | Lukas H Lilleengen v Pierre Delage | 7-5,7-5 | |
| ITF M25 Grasse | 06/13 14:55 | 44 | Alexandre Aubriot v Lukas H Lilleengen | 3-6,0-6 | |
| ITF M15 Helsinki | 05/31 07:00 | 54 | Max Westphal v Lukas H Lilleengen | 6-0,5-7,10-7 | |
| ITF M15 Antalya | 05/10 07:00 | 62 | Edoardo Eremin v Lukas H Lilleengen | 6-0,6-3 | |
| ITF M15 Antalya | 05/09 07:00 | 62 | Lukas H Lilleengen v Franco Roncadelli | 6-4,6-3 | |
| ITF M15 Antalya | 05/03 07:00 | 62 | Mick Veldheer v Lukas H Lilleengen | 6-1,6-1 | |
| ITF M15 Monastir | 04/11 09:00 | 62 | Andrea Guerrieri v Lukas H Lilleengen | 7-5,7-5 |