The 17-year-old goalkeeper – who joined the Academy at the age of twelve – joined up with Ian Foster’s squad for a mini-tour of Europe to face Poland, Slovakia and Austria in the most recent international break.
Although having a watching brief for the first two games, Cartwright came on as a half-time substitute in the final game of the tour to help the Young Lions secure a third successive win with a 3-2 victory in Austria.
Reflecting on his first taste of international action, Cartwright said: “It was a proud moment and an unbelievable feeling to play for my country.
“To put that shirt with the Three Lions on and represent your country – it’s something you dream of as a young boy and I was no different. To come on against Austria was such a great experience – and thankfully we came away with the win, which was the most important thing.
“It got to forty minutes and I must admit, I started to get a little nervous! Then it got to half-time, I did the warm-up and they called me to come on. I put the shirt on and it was just one of those moments where you just take a look at yourself and feel so much pride.”
Cartwright was selected alongside two other goalkeepers by Foster, with Manchester City’s James Trafford and Stoke City’s Nathan Broome also included in the squad for the mini-tour – and enjoyed working with the duo and the coaching staff in the national set-up.
“It was a good group to be part of with James and Nathan. They’re both very good goalkeepers, so it was a good group and training was both enjoyable and competitive, which is exactly how it should be because that will only help to push us all on as we all wanted minutes on the pitch in the games.
“All of the boys are quality football players and good lads as well. Most of them have been together a few years in the international set-up but I was welcomed into the group and made to feel part of it straight away. The standard of training was superb in every session and the whole experience was so beneficial and enjoyable.”
After gaining his first taste of international football, the aim for Cartwright is to now experience it on a regular basis.
“Hopefully – that has to be the aim (to earn more caps),” he added. “That’s what I want to keep pushing for.
“I’m determined to get more call-ups and more caps but to do that I’ve just got to continue working hard and training hard here in order to earn my place in the squad. That’s all I can do.”