FOB
| Name: FOB | |
| Title: Frontier Open Battle 4 | |
| Date: Mar 03, 2012 | Time: 10:00 AM PST |
| Location: Rosengard Arena, Malmo, Scania, Sweden | |
| Promotion: Frontier Open Battle | |
Hartsner vs Szymankiewicz
Main Event Fight
Submission (Rear-Naked Choke) Round: 1 Time: 3:40
