Jonny Bairstow says world champions England have a target on their backs – but that the side has plenty of room for improvement.

England won the 50-over World Cup for the first time after beating New Zealand on boundary countback in a thriller at Lord’s in July.

The team will play their first ODI since then when they begin a three-match series against South Africa in Cape Town on Tuesday, live on Sky Sports.

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“It’s lovely (to call myself a world champion),” said one-day opener Bairstow,

England in South Africa on Sky Sports

England’s tour of South Africa continues with three ODIs and three T20s. Here’s how you can watch every ball live.

Ben Stokes and Jos Buttler have been rested for the ODI series, with Tom Banton and Dawid Malan given a chance to stake their claim for regular inclusion.

Tuesday’s game will mark Bairstow’s first in Cape Town since he scored a maiden Test century at the ground – an unbeaten 150 – in January 2016.

“It is an amazing backdrop and it is an amazing place to play cricket,” Bairstow said of Newlands, which is overlooked by Table Mountain.

“It is so scenic and hopefully there will be a decent crowd in and it will be another special day.