Jonny Bairstow blasted a 29-ball fifty as England hit back from their ICC Champions Trophy semi-final disappointment by easing to a nine-wicket win over South Africa in the first Twenty20.
Bairstow (60no off 35 balls) and Alex Hales (47no off 38) combined for an unbroken stand of 98 as the home side cruised to their victory target of 143 in 14.3 overs after a disciplined bowling display, which included 0-24 off four overs for leg-spinner Mason Crane on debut.
The tourists' modest 142-3 was underpinned by a record fourth-wicket stand for South Africa between AB de Villiers (65no) and Farhaan Behardien (64no), who rallied without ever cutting loose on a sun-drenched evening.
De Villiers and Behardien had to consolidate after David Willey (1-34) and Mark Wood (2-36) struck with their first deliveries of the match to reduce South Africa to 7-2.
Willey wasted no time in bowling JJ Smuts off the inside edge with a fine inswinger, before Reeza Hendricks pulled Wood to mid-wicket.
The first-ball theme continued when Wood swapped ends and beat David Miller for pace, the left-hander barely getting his bat down in time to toe-end behind.
De Villiers ticked over without ever getting away as Crane and Liam Dawson (0-17) bowled well in tandem, conceding just 41 runs between them off their combined eight overs.
Crane settled quickly, landing his googly second ball, while Dawson almost picked up De Villiers twice in as many balls only for a low skimmer to extra cover and a return catch to fall just short.
The skipper reached his 10th IT20 fifty off 49 balls, getting there with a phenomenal shot, stepping across his stumps and sweeping Willey for six.
But by the time he repeated the dose off Chris Jordan, South Africa were in the final over of their innings and at the mid-point of the match their total looked under-par.
England raced out of the blocks in reply, Jason Roy - reunited at the top of the order with Hales after being dropped for the ICC Champions Trophy semi-final defeat to Pakistan - plundering 18 off four Wayne Parnell deliveries as the score motored to 45-0 off four overs.
The Surrey opener was undone by adventure as he fell lbw to Andile Phehlukwayo's first ball trying the reverse sweep, and was replaced by Bairstow, his ODI successor, who got off the mark with a boundary by guiding his second ball behind backward point.
The Yorkshireman remained in excellent touch, creaming Imran Tahir on one knee for six, and showcasing his versatility by reverse-sweeping Smuts for four.
South Africa's day was summed up when long on Behardien ended up on his rump, parrying a skied chance offered by Hales for four, the opener cashing in by clubbing the following delivery for six.
Watch the second T20 between England and South Africa live on Sky Sports 2 from 4.30pm on Friday.