| ITF M25 Ystad | 2022/08/10 12:40 | Jules Marie v Johansson, Oliver | 6-1,6-0 |
| ITF M25 Ystad | 2022/08/09 08:45 | Daniil Savelev v Johansson, Oliver | 6-7,6-3,5-10 |
| ITF M25 Ystad | 2022/08/08 08:45 | Johansson, Oliver v Stepan Pecak | 6-2,6-4 |
| ITF M25 Falun | 2019/09/29 08:00 | Daniil Glinka v Johansson, Oliver | 6-3,6-1 |
| Stockholm, Singles M-ITF-SWE-05A | 2019/09/23 10:35 | Zielinski, Jan v Johansson, Oliver | 6-2,6-3 |
| ITF - M15 Kalmar | 2019/05/14 09:40 | Ruzgas, Marius v Johansson, Oliver | 7-6,6-3 |
| ITF - M15 Kalmar | 2019/05/13 13:15 | Johansson, Oliver v Arvid Nordquist | 7-6,6-2 |
| ITF - M15 Kalmar | 2023/05/17 10:35 | Markus Bolin v Niels Visker | 3-6,1-6 |
| ITF - M15 Kalmar | 2023/05/16 09:00 | Markus Bolin v Matias Riva | 6-7,7-6,10-6 |
| ITF - M15 Kalmar | 2023/05/15 10:15 | Eldin Nokic v Markus Bolin | 6-4,6-7,8-10 |