Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Vaasa | 2023/06/06 10:00 | Seeman, Johannes v Antinheimo, Oskar | 6-3,3-6,8-10 |
| ITF M15 Vaasa | 2023/06/05 12:30 | Antinheimo, Oskar v Jeiden Saidizand | 4-6,6-1,10-5 |
| ITF M15 Winston-Salem | 2022/11/08 17:30 | Staeheli, Luca v Antinheimo, Oskar | 7-5,6-2 |
| ITF M15 Winston-Salem | 2022/11/07 18:00 | Antinheimo, Oskar v Putter, Victor | 7-5,6-3 |
| UTR Pro Tennis Series Winston-Salem | 2022/09/08 22:43 | Juan Lopez De Azcona Vale v Antinheimo, Oskar | 6-0,6-2 |
| ITF M15 Vaasa | 2022/06/01 14:55 | Antinheimo, Oskar v Luca Castelnuovo | 1-6,2-6 |
| ITF M15 Vaasa | 2022/05/31 08:30 | Antinheimo, Oskar v Luca Teboul | 6-1,6-1 |
| ITF M15 Vaasa | 2022/05/30 10:00 | Antinheimo, Oskar v Leikola, Otto | 6-2,6-2 |
| ITF - M15 Monastir | 2023/05/10 13:45 | Lofman, Aleksi v Ye Cong Mo | 6-7,2-6 |
| ITF - M15 Monastir | 2023/05/04 09:50 | Lofman, Aleksi v Omni Kumar | 3-6,6-0,2-6 |
| ITF - M15 Monastir | 2023/05/02 09:45 | Lofman, Aleksi v Chen, Tin | 6-4,7-6 |
| ITF - M15 Monastir | 2023/04/25 10:10 | Lofman, Aleksi v Shohei Chikami | 6-1,3-6,5-7 |
| ITF - M15 Monastir | 2023/04/17 08:00 | Lofman, Aleksi v Louis Larue | 6-4,6-7,7-10 |
| ITF - M15 Monastir | 2023/04/16 08:00 | Lofman, Aleksi v Nel, Anro | 6-2,2-6,10-7 |
| ITF - M15 Héraklion | 2023/03/22 10:10 | Francois Musitelli v Lofman, Aleksi | 6-3,6-4 |
| ITF - M15 Héraklion | 2023/03/17 08:00 | Lofman, Aleksi v Andres Andrade | 7-5,1-6,4-6 |