Stadium: Court 10 Round: 54 Ground: Clay
| ITF M15 Vejle | 2021/07/25 07:00 | Lukas H Lilleengen v Carl Emil Overbeck | 2-6,6-4,7-10 |
| 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 Vejle | 2021/07/25 07:00 | Facundo Yunis v Benedikt Emesz | 4-6,5-7 |
| ITF M15 Antalya | 2021/05/30 07:30 | Timo Stodder v Facundo Yunis | 6-0,6-3 |
| ITF M15 Antalya | 2021/05/25 07:00 | Miguel Fernando Pereira v Facundo Yunis | 6-4,7-6 |
| ITF M15 Antalya | 2021/05/24 07:00 | Facundo Yunis v Constant De La Bassetiere | 6-0,6-2 |
| ITF M15 Antalya | 2021/05/23 07:00 | Facundo Yunis v Pietro Pampanin | 7-6,6-2 |
| ITF M15 Antalya | 2021/05/16 07:00 | Cezar Cretu v Facundo Yunis | 6-2,6-2 |
| ITF M15 Monastir | 2021/04/04 11:30 | Fons Van Sambeek v Facundo Yunis | 4-6,6-4,10-8 |
| ITF M15 Monastir | 2021/03/28 08:00 | Facundo Yunis v Samir Hamza Reguig | 7-5,5-7,3-10 |