Kyle Sinckler insists missing out on Lions selection was like being dumped by a girlfriend in an experience that has left him uncertain of his place in England’s World Cup squad.

Sinckler is set to be picked in Steve Borthwick’s 33-man group that is announced on Monday morning with little doubt over his inclusion given he is first choice tighthead prop.

But the 30-year-old refuses to assume he will take part in his second World Cup after he was excluded from Warren Gatland’s British and Irish Lions squad in 2021 despite being considered a certainty to tour South Africa.

Kyle Sinckler missed out on initial Lions selection in 2021 until

Andrew Porter was picked by Gatland, only for the Ireland front row to be ruled out by a toe injury, offering Sinckler a reprieve.

“The Lions experience taught me never to… I can’t really find another word for ‘granted’ because I don’t want to say I took it for granted… but I was like, ‘I’ve got a pretty good shot here’. And I ended up missing out on the squad,” Sinckler said.

“I was absolutely devastated and I was like, ‘I’m never going to have that little voice in my head ever saying ‘You’ll be all right’.

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“That experience in itself was just crazy. Because obviously I initially didn’t make the squad and then you come to terms with that, you wish the boys the best of luck and you are focused on what you need to do.

“Then unfortunately for Andrew, he picked up an injury and that means I’m in – just as I was getting over it.

“It was like an ex dumping you and just as you’re getting over it all of a sudden she wants you back. You’re messing with my head! So it was a strange one.

“It’s about having that humility and respect for the game because rugby can humble you very quickly.”