Michael Carberry's rapid 60 helped Friends Life t20 holders Hampshire Royals ease to a five-wicket win over Surrey at the Ageas Bowl.
Surrey, after choosing to bat, reached 139 for six - yet the hosts paced their reply perfectly to win with four balls to spare.
Carberry faced only 45 deliveries, hitting eight fours and a six, to leave Hampshire firmly in control when he was dismissed in the 14th over, leg before to Zander de Bruyn.
Neil McKenzie, captain in the injury absence of Dimitri Mascarenhas, picked up the baton with an unbeaten 37 to see Hampshire home after the loss of two late wickets.
When Surrey batted, Rory Burns led a sound start in which 71 came off the first 10 overs.
But the visitors were unable to accelerate over the second half of their innings, making only a further 68.
The turning point came in the ninth over when left-arm spinner Danny Briggs, released from England's NatWest Series Twenty20 international squad, dismissed Vikram Solanki and Burns in four balls.
Former Hampshire all-rounder Glenn Maxwell, normally a big-hitter, made 15 without a boundary as Surrey were unable to step up a gear when it mattered, strangled by some tight Hampshire bowling.
Gary Wilson laboured for 25 balls in making 29 and Zafar Ansari was similarly restrained when hitting 25 not out.
De Bruyn's little-used medium pace gave Surrey hope when Hampshire raced towards their modest target, dismissing Carberry with his first delivery and then returning to get rid of Sean Ervine and Liam Dawson.
But Hampshire were always in control and Adam Wheater scored the winning runs in the last over, hoisting fast bowler Chris Tremlett for six to the delight of the majority of the 6,000 crowd.