Stadium: Court 5 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Sharm El Sheikh | 2021/10/25 10:30 | Haoyuan Huang v Eirik Groener | 5-7,7-5,10-3 |
| ITF M15 Sharm El Sheikh | 2021/10/18 10:30 | Lukas Pokorny v Eirik Groener | 6-3,3-6,10-8 |
| ITF M15 Sharm El Sheikh | 2021/10/17 11:30 | Mohab Hamed v Eirik Groener | 5-7,6-4,8-10 |
| ITF M15 Sharm El Sheikh | 2021/10/12 07:30 | Volodymyr Uzhylovskyi v Eirik Groener | 6-3,6-2 |
| ITF M15 Sharm El Sheikh | 2021/10/11 11:00 | Roman Nashatyrkin v Eirik Groener | 6-2,0-6,7-10 |
| ITF M15 Sharm El Sheikh | 2021/10/10 11:30 | Eirik Groener v Alexander Boborykin | 6-3,4-6,10-8 |
| ITF M15 Sharm El Sheikh | 2021/10/03 11:30 | Pavlos Parson v Eirik Groener | 7-6,1-6,11-9 |
| ITF M25 Jonkoping | 2021/09/20 07:30 | Harry Wendelken v Eirik Groener | 6-2,6-1 |
| ITF M15 Sharm El Sheikh | 2021/10/24 08:00 | Ondrej Horak v Nikoloz Davlianidze | 6-1,6-7,8-10 |
| ITF M15 Sharm El Sheikh | 2021/10/20 10:15 | Marek Gengel v Ondrej Horak | 6-0,6-2 |
| ITF M15 Sharm El Sheikh | 2021/10/19 07:25 | Sergei Pogosian v Ondrej Horak | 4-6,6-2,10-3 |
| ITF M15 Sharm El Sheikh | 2021/10/18 08:00 | Pavlos Parson v Ondrej Horak | 3-6,6-1,9-11 |
| ITF M25 Prague | 2021/10/04 11:15 | Artem Dubrivnyy v Ondrej Horak | 6-4,6-0 |
| ITF M25 Prague | 2021/10/03 10:30 | Matej Galik v Ondrej Horak | 3-6,1-6 |
| ITF M25 Pardubice | 2021/09/20 10:00 | Matyas Cerny v Ondrej Horak | 6-2,3-6,10-6 |
| ITF M25 Ricany | 2021/08/29 08:00 | Ondrej Horak v Lambert Ruland | 1-6,1-6 |