In the fourth round, Simon Pettersson got his full hit.
The officials cheered at the impact at Växjö Kastpark and the throw was measured at 69.48, compared to the previous personal record 67.72.
Ståhl had the chance to replicate in the subsequent fifth round and got 69.11, his first approved result after four failures.
In the last round, Ståhl fell out of the ring and Pettersson was able to count his fine scalp.
In the last throw, Pettersson stepped over.