Stadium: Court 1 Indoors Round: 54 Ground: Hardcourt outdoor
| ITF M25 Monastir | 2022/04/25 08:00 | Pablo Trochu v Oskar Antinheimo | 6-3,6-3 |
| ITF M25 Monastir | 2022/04/24 09:00 | Oskar Antinheimo v Egor Tsarapkin | 6-2,6-2 |
| ITF M25 Monastir | 2022/04/10 10:00 | Oskar Antinheimo v Mehluli D A Sibanda | 6-7,0-6 |
| ITF M25 Monastir | 2022/03/01 09:00 | Alexandre Aubriot v Oskar Antinheimo | 6-3,7-5 |
| ITF M25 Monastir | 2022/02/21 09:00 | Oskar Antinheimo v Mauro De Maio | 1-6,2-6 |
| ITF M25 Monastir | 2022/02/20 11:00 | Oskar Antinheimo v Jip Van Assendelft | 4-6,7-6,10-8 |
| ITF M25 Vilnius | 2022/01/17 11:05 | Julius Tverijonas v Oskar Antinheimo | 7-6,6-2 |
| ITF M15 Parnu | 2021/10/26 08:00 | Tom Gentzsch v Oskar Antinheimo | 6-2,6-4 |