Opponents Hurst Green Reserves took an early lead through Keegan Dobson only for Wren's Steve McEwan to level matters on 15 minutes.
>> SEE Steve Taylor's match gallery here
Gary Knight restored the advantage for Hurst Green just before the half-hour mark, a lead they held at half-time.
Archie Addison made it 2-2 six minutes after the break before a McEwan penalty swung the pendulum in Wren's favour on 68 minutes.
Luke Smith then made it 4-2 on 73 minutes to seal Wren's first win in this tournament since 2015-16.
Thanks to AFC Blackpool for hosting the match, referee Spencer Doherty and his team and photographer Steve Taylor for his match action images.
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