Estadio: Court 6 Round: 44 Ground: Clay
| 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 15 Antalya | 2021/05/10 07:00 | Edoardo Eremin v Lukas H Lilleengen | 6-0,6-3 |
| ITF 15 Antalya | 2021/05/09 07:00 | Lukas H Lilleengen v Franco Roncadelli | 6-4,6-3 |
| ITF 15 Antalya | 2021/05/03 07:00 | Mick Veldheer v Lukas H Lilleengen | 6-1,6-1 |
| ITF M15 Monastir | 2021/04/11 09:00 | Andrea Guerrieri v Lukas H Lilleengen | 7-5,7-5 |
| ITF M15 Monastir | 2021/04/05 09:00 | Fons Van Sambeek v Lukas H Lilleengen | 6-2,7-5 |
| ITF M15 Poitiers | 2021/03/14 14:05 | Raphael Baltensperger v Lukas H Lilleengen | 6-3,6-2 |
| ITF M15 Helsinki | 2021/05/31 08:30 | Pierre Delage v Oskar Antinheimo | 6-7,7-5,8-10 |
| ITF M15 Bucarest | 2021/05/24 08:00 | Vladimir Filip v Pierre Delage | 0-6,6-1,10-2 |
| ITF M15 Bucarest | 2021/05/23 08:30 | Dan Radu Munteanu v Pierre Delage | 3-6,2-6 |
| ITF M15 Valldoreix | 2021/05/10 09:00 | Pierre Delage v Niels Visker | 4-6,2-6 |
| ITF M15 Valldoreix | 2021/05/09 13:00 | Clement Tabur v Pierre Delage | 2-6,3-6 |
| ITF M15 Majadahonda | 2021/05/02 12:00 | Pierre Delage v Benjamin Winter Lopez | 6-7,3-6 |
| ITF M15 Las Palmas | 2021/04/25 10:00 | Valentin Lapalu v Pierre Delage | 6-1,6-0 |
| ITF M15 Poitiers | 2021/03/17 09:00 | Pierre Delage v Lucas Poullain | 0-6,6-3,0-6 |