Chris Benham and Nic Pothas fired Hampshire to an unlikely five-wicket victory against Gloucestershire.
The visitors struck an imposing 350-5, Alex Gidman (105) and Marcus North (85) profiting from generous bowling, before rain reduced the target to 240 from 30.
In reply, Michael Carberry top-scored with 60 but it looked beyond the Hawks as the run-rate approached 12 an over.
But Benham (54 not out) and Pothas (43) made the chase look easy as they blazed to the target with three balls left.
Gloucestershire batsman Alex Gidman told BBC Radio Bristol that Hampshire's run chase demonstrated how the game has developed recently:
"I think that's where Twenty20's changed cricket. A few years ago if you needed 45 off four overs it would have been game, set and match - those things didn't really happen.
"But it was very much a Twenty20 situation, something like 170 off 20 overs with a short boundary.
"They'd got a lot of momentum, they started hitting boundaries and once they started it was very hard to pull them back.
"The rain break lowered the amount of overs that Hampshire had to face which was going to be an advantage to them.
"But they still needed eight an over from the start so we're pretty disappointed."
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