Home History
| Sweden Cup | 2021/06/30 17:00 | Onsala BK v Lindome GIF | W | 2-0 |
| Sweden 2.div Västra Götaland | 2021/06/27 14:00 | Onsala BK v Eskilsminne IF | W | 3-2 |
| Sweden 2.div Västra Götaland | 2021/06/22 17:30 | Ullareds IK v Onsala BK | L | 2-0 |
| Sweden 2.div Västra Götaland | 2021/06/19 12:00 | Angelholm v Onsala BK | L | 5-1 |
| Sweden 2.div Västra Götaland | 2021/06/13 11:00 | Onsala BK v Västra Frölunda IF | W | 2-1 |
| Sweden 2.div Västra Götaland | 2021/06/09 18:00 | Dalstorps IF v Onsala BK | W | 2-3 |
| Sweden 2.div Västra Götaland | 2021/06/02 17:00 | Onsala BK v Varbergs GIF FK | W | 2-1 |
| Sweden 2.div Västra Götaland | 2020/10/18 12:00 | FC Rosengård 1917 v Onsala BK | L | 6-3 |
Away History
| Sweden 2.div Västra Götaland | 2021/06/27 12:00 | Varbergs GIF FK v BK Astrio | L | 3-1 |
| Sweden 2.div Västra Götaland | 2021/06/23 17:00 | BK Astrio v Angelholm | W | 3-2 |
| Sweden 2.div Västra Götaland | 2021/06/19 12:00 | BK Astrio v Husqvarna FF | W | 3-2 |
| Sweden 2.div Västra Götaland | 2021/06/09 17:00 | BK Astrio v Eskilsminne IF | L | 1-2 |
| Sweden 2.div Västra Götaland | 2021/06/05 14:00 | Torslanda IK v BK Astrio | L | 4-3 |
| Sweden 2.div Västra Götaland | 2020/10/24 12:00 | BK Astrio v KSF Prespa Birlik | W | 4-2 |
| Sweden Cup | 2020/09/30 14:30 | BK Astrio v Falkenbergs FF | L | 0-9 |
| Sweden Cup | 2020/08/25 16:30 | Anderstorps IF v BK Astrio | W | 0-3 |