Stadium: Court 1 Round: 54 Ground: Clay
| ITF M15 Perugia | 2021/07/18 12:45 | Lukas H Lilleengen v Mattia Frinzi | 3-6,3-6 |
| ITF M25 Montauban | 2021/06/21 13:00 | Thibault Verdier v Lukas H Lilleengen | 6-7,6-2,10-8 |
| ITF M25 Grasse | 2021/06/14 16:15 | Jurgen Briand v Lukas H Lilleengen | 6-1,7-6 |
| ITF M25 Grasse | 2021/06/14 11:40 | Lukas H Lilleengen v Pierre Delage | 7-5,7-5 |
| ITF M25 Grasse | 2021/06/13 14:55 | Alexandre Aubriot v Lukas H Lilleengen | 3-6,0-6 |
| ITF M15 Helsinki | 2021/05/31 07:00 | Max Westphal v Lukas H Lilleengen | 6-0,5-7,10-7 |
| ITF M15 Antalya | 2021/05/10 07:00 | Edoardo Eremin v Lukas H Lilleengen | 6-0,6-3 |
| ITF M15 Antalya | 2021/05/09 07:00 | Lukas H Lilleengen v Franco Roncadelli | 6-4,6-3 |
| UTR Pro Tennis Series Copenhagen | 2021/06/18 11:00 | Hugo Pierre v Carl Emil Overbeck | 2-6,2-6 |
| UTR Pro Tennis Series Copenhagen | 2021/06/17 12:30 | Mick Lescure v Carl Emil Overbeck | 6-3,0-6,3-6 |
| UTR Pro Tennis Series Copenhagen | 2021/06/15 11:00 | David Norfeldt v Carl Emil Overbeck | 6-7,5-6 |
| UTR Pro Tennis Series Copenhagen | 2021/06/14 11:00 | Carl Emil Overbeck v Simon Yitbarek | 6-4,5-1 |
| ITF M15 Tabarka | 2019/09/29 08:00 | Carl Emil Overbeck v Ignacio Vinas | 4-6,4-6 |
| ITF M15 Tabarka | 2019/09/25 10:25 | Luca Prevosto v Carl Emil Overbeck | 6-1,6-2 |
| ITF M15 Tabarka | 2019/09/23 14:00 | Octavio Volpi v Carl Emil Overbeck | 6-3,4-6,5-10 |
| ITF M15 Tabarka | 2019/09/23 09:30 | Rhys Searant v Carl Emil Overbeck | 2-6,2-6 |