Postpublished at 18:49 British Summer Time 24 June 2016
Phil Tufnell
Ex-England spinner on BBC Test Match Special
"Maharoof running in reminds me of coming home late at night when you were a teenager and you don't want to stand on the creaky step."
Hales 133* (110), Roy 112* (95)
England's highest ODI opening stand
England win with 15.5 overs to spare
Biggest ODI chase to win by 10 wkts
England lead 1-0 in five-match series
Phil Dawkes and Stephan Shemilt
Phil Tufnell
Ex-England spinner on BBC Test Match Special
"Maharoof running in reminds me of coming home late at night when you were a teenager and you don't want to stand on the creaky step."
#bbccricket
Ali Mason: John Crawley currently teaching anything from Tsarist Russia to 20th century international relations at Oundle school.
Maharoof is back as Sri Lanka desperately hunt the wicket they need to get into this England order. He has Roy on his toes with a couple that kick a bit and England almost make a hash of a quick single but other than that there is no drama.
If you've got reasonable confidence in England's top order and fancy a quick change of scenery, why not follow our T20 Blast commentary?
There is the mouth-watering prospect of a certain Ben Stokes coming back to competitive action following a knee injury that has kept him sidelined since mid-May, as Durham play Yorkshire.
Also on the menu, Dale Steyn steaming in for Glamorgan for the last time this season - aiming to add to his nine wickets in three games - as they take on Surrey.
Click here for live text commentary on tonight's seven games, plus radio commentary on every match.
Nick. Four. Roy gets away with one as he gets a bit of willow on a Randiv delivery to send it wide of Chandimal and racing away. England have bossed that powerplay. They were four down at this point in the first match.
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Phil Tufnell
Ex-England spinner on BBC Test Match Special
"Sri Lanka have really got to start thinking about they're going to take some wickets here. It's been an absolutely belting pitch - they were 30, 40 or 50 short with the bat."
When Alex Hales hits it, it stays hit. He times the backside off a back-foot push and the Sri Lankan cover fielder hasn't a prayer of catching it. Hales is 28 from 33 balls. And he's not broken sweat.
Phil Tufnell
Ex-England spinner on BBC Test Match Special
"Just keep knocking it about, put the bad balls away and you get this job done."
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Nice, leisurely progress from England. Randiv is worked around for an easy five more runs. Sri Lanka need wickets, England just need to keep doing what they are doing.
Phil Tufnell
Ex-England spinner on BBC Test Match Special
"At the moment England are walking it. Perhaps a few extra catchers could have been kept in - something to create a little bit of pressure."
Nuwan Pradeep has had a few days to stew on that last ball that Liam Plunkett dispatched into the stand at Trent Bridge. Now is his chance to hit back and get Sri Lanka back into this game. It is a decent start and could even have picked up a wicket as a nick from an attempted little push to leg just falls short of the diving Chandimal.
Andy Zaltzman
Comedian & BBC Test Match Special statistician
"Alex Hales had had four successive single-figure scores in home ODIs before this game."
tms@bbc.co.uk
Got chatting to Asanka Gurasinha in the first class lounge in Nairobi 6 or 7 years ago. Was rather grumpy about a safari he had just taken in Tanzania – or rather hadn’t, because he didn’t have a visa. Ended up about teaching me a few things about consuming pints before a long international flight…
Myles Osborne
Suraj Randiv brings some spin to the Sri Lanka attack. He has a slightly awkward action. A bit robotic in the delivery. It serves him well for four balls before Alex Hales decides he's had enough and smites straight for four.
Graeme Swann
Ex-England spinner on BBC Test Match Special
"It's been a solid start after the debacle at Trent Bridge from the top six, minus Eoin Morgan. The top order will be keen to stamp their authority rather than leaving it all for Woaksey to do!"
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Patrick Boyden: I was taught the words to Postman Pat by Andy Lloyd. I was 30 at the time.
Chance. It is technically a drop from Chandimal as Hales goes back and nicks a rising Maharoof delivery but the keeper can't grasp it. The England opener lobs a load of salt in the wound by then clubbing one through the covers for four.
Lakmal finding some late swing. He has Jason Roy trying an ugly wipe to reach a ball that is called wide by Michael Gough (he's the one without the shield). All it takes a slight veer off line and this England pair are on to it. Roy whips one off his legs to pick up three.
Big shout for lbw. Initially it looks like Alex Hales is in trouble but hot spot shows he is saved by an inside edge. Much better over from Maharoof, who mixes up his pace and length to good effect to secure a rarity - an ODI maiden.