| UTR Pro Copenhagen | 2023/05/31 06:00 | Georgios Nouchakis v Theodor Boisen | 6-3,6-1 |
| UTR Pro Copenhagen | 2023/05/31 06:00 | Philip Hjorth v Oliver Johansson | 1-6,6-3,6-3 |
| UTR Pro Copenhagen | 2023/05/29 06:00 | Georgios Nouchakis v Oliver Johansson | 4-6,4-6 |
| UTR Pro Copenhagen | 2023/05/28 07:30 | Oliver Johansson v Markus Bolin | 5-7,4-6 |
| ITF M25 Ystad | 2022/08/10 12:40 | Jules Marie v Oliver Johansson | 6-1,6-0 |
| ITF M25 Ystad | 2022/08/09 08:45 | Daniil Savelev v Oliver Johansson | 6-7,6-3,5-10 |
| ITF M25 Ystad | 2022/08/08 08:45 | Oliver Johansson v Stepan Pecak | 6-2,6-4 |
| ITF M25 Falun | 2019/09/29 08:00 | Daniil Glinka v Oliver Johansson | 6-3,6-1 |
| ITF M25 Stockholm | 2019/09/23 10:35 | Jan Zielinski v Oliver Johansson | 6-2,6-3 |