Head to Head
| Finland F-Liiga | 2023/11/26 15:00 | Happee v OLS | 6-5 |
| Finland F-Liiga | 2023/10/09 15:30 | OLS v Happee | 10-5 |
| Finland F-Liiga | 2023/02/26 13:00 | OLS v Happee | 4-6 |
| Finland F-Liiga | 2023/01/06 16:30 | OLS v Happee | 7-10 |
| Finland F-Liiga | 2022/10/22 15:30 | Happee v OLS | 8-6 |
| Finland F-Liiga | 2022/02/19 13:00 | OLS v Happee | 3-7 |
| Finland F-Liiga | 2021/10/31 15:00 | Happee v OLS | 4-3 |
| Finland F-Liiga | 2021/02/13 16:30 | Happee v OLS | 7-2 |
| Finland F-Liiga | 2020/11/14 13:00 | OLS v Happee | 6-7 |
| Finland F-Liiga | 2020/01/25 16:30 | Happee v OLS | 6-2 |
| Finland F-Liiga | 2019/11/02 13:00 | OLS v Happee | 3-10 |
| Finland F-Liiga | 2019/01/13 16:00 | OLS v Happee | 4-6 |
| Finland F-Liiga | 2018/09/22 14:00 | Happee v OLS | 8-1 |
| Finland F-Liiga | 2017/12/30 16:00 | OLS v Happee | 4-5 |
| Finland F-Liiga | 2017/09/23 11:00 | Happee v OLS | 7-2 |
| Finland F-Liiga | 2017/02/11 13:00 | OLS v Happee | 7-7 |
| Finland F-Liiga | 2016/10/16 15:30 | Happee v OLS | 9-7 |
| Finland F-Liiga | 2016/01/17 15:00 | OLS v Happee | 2-11 |
| Finland F-Liiga | 2015/10/18 15:00 | Happee v OLS | 11-5 |
| Finland F-Liiga | 2015/03/11 16:30 | Happee v OLS | 3-2 |
| Finland F-Liiga | 2015/03/08 15:00 | OLS v Happee | 3-4 |
| Finland F-Liiga | 2015/03/07 15:30 | Happee v OLS | 6-4 |
| Finland F-Liiga | 2015/01/04 16:30 | OLS v Happee | 3-8 |
| Finland F-Liiga | 2014/09/26 15:30 | Happee v OLS | 8-5 |