Needing eight runs from the final over to reach the target of 164, Sydney Sixers' Pat Cummins held his nerves to scamper home for a bye off the last delivery as the Big Bash Champions won the most thrilling match of an otherwise drab Twenty20 competition.

Sydney will now take on Highveld Lions in the final to be played on Sunday. The match went onto the wire and all three results were possible but Sydney ultimately reaped dividends due to a good opening stand.