Stadium: Court 4 Round: 25 Ground: Clay
| ITF M15 Antalya | 2021/10/12 07:00 | Lukas H Lilleengen v John Sperle | 3-6,6-3,10-8 |
| ITF M15 Antalya | 2021/10/11 09:00 | Lukas H Lilleengen v Gonzalo Zeitune | 6-4,6-0 |
| ITF M15 Cairo | 2021/09/21 08:00 | Giovanni Calvano v Lukas H Lilleengen | 6-2,6-1 |
| ITF M15 Cairo | 2021/09/20 08:00 | Julian Gimenez v Lukas H Lilleengen | 1-6,4-6 |
| ITF M15 Cairo | 2021/09/19 08:30 | Lakshya Gupta v Lukas H Lilleengen | 0-6,4-6 |
| ITF M15 Cairo | 2021/09/13 07:00 | Gabriel Roveri Sidney v Lukas H Lilleengen | 6-3,6-7,10-8 |
| ITF M15 Cairo | 2021/09/12 11:00 | Atharva Sharma v Lukas H Lilleengen | 6-1,2-6,6-10 |
| ITF M15 Zilina | 2021/09/02 08:00 | Peter Goldsteiner v Lukas H Lilleengen | 6-7,6-0,6-2 |
| ITF M15 Antalya | 2021/10/12 07:00 | Kristof Minarik v Lambert Ruland | 6-4,6-1 |
| ITF M15 Antalya | 2021/10/11 06:55 | Kristof Minarik v Jason Janis | 6-2,6-2 |
| ITF M15 Pirot | 2021/09/24 09:45 | Kristijan Juhas v Kristof Minarik | 3-6,6-2,6-4 |
| ITF M15 Pirot | 2021/09/22 11:00 | Michal Novansky v Kristof Minarik | 3-6,6-7 |
| ITF M15 Pirot | 2021/09/21 10:40 | Stefan Micov v Kristof Minarik | 6-7,1-6 |
| ITF M15 Pirot | 2021/09/20 08:00 | Kristof Minarik v Petar Pjevcevic | 7-5,6-4 |
| ITF M15 Pirot | 2021/09/19 07:00 | Kristof Minarik v Milos Vukovic | 6-3,6-2 |
| ITF M15 Zlatibor | 2021/09/15 08:00 | Yan Bondarevskiy v Kristof Minarik | 6-1,6-4 |