Nick Kyrgios reflected on what he feels is a new-found maturity after defeating Brandon Nakashima to earn his spot against Cristian Garin in the Wimbledon quarter-final.

The 27-year-old Australian needed five sets to make it past the 20-year-old American, eventually winning 4-6 6-4 7-6 (7-2) 3-6 6-2.

In a match that was far from smooth sailing, Kyrgios needed a medical timeout following the first set to deal with some shoulder discomfort that has flared up since his fiery win against Stefanos Tsitsipas.

Speaking to the media after his success, Kyrgios said everyone is dealing with niggling injuries this deep into a grand slam, but he is proud of the way he has handled adversity this time around.

"I woke up after Tsitsipas and had some shoulder pain," he said. "I’ve played so much tennis over the last month and a half that I felt it was about time for my body to start feeling some niggles. 

"I don’t think anybody is feeling 100 per cent at this time, Rafa – you see him dealing with something all the time – so it’s something I just manage. Mentally, I think I deal with these things a lot better now. 

"I knew today I wasn’t feeling 100 per cent, but mentally I stayed quite calm, knowing that I wasn’t able to serve full out for the five sets."

His ability to fight through his injury was just one aspect of how Kyrgios feels he has grown as both a player and a person, touching on how far he has come since being dragged out of the pub by his manager in 2019.

"I feel like I’ve been through so much, now I can stay composed," he said. "It’s the first time in my career that I wasn’t playing well, but I was able to say ‘wow, look how far I’ve come’ – It was rewarding. 

"I think I’m enjoying the battle a bit more – I’m expecting everyone to play well against me now. I was that kid once, the underdog, whereas today walking on Centre Court being the favourite was completely different for me, but I was able to navigate that.

"There was a time when I was having to be forced out of a pub at 4am to play Nadal [in the second round of 2019] – my agent had to come and get me out of a pub at 4am before I played my match on Centre Court, Wimbledon. 

"So I’ve come a long way, that’s for sure… to sit here, quarter-finals at Wimbledon, feeling composed, mature, completely blessed and comfortable in my own skin."

Having burst onto the scene at such a young age, Kyrgios said he feels he helped pave the way for the current generation of young stars.

"This is almost my 10th year on Tour," he said. "I kind of feel like I was the first guy who broke through young, like at 19, beating Rafa at Wimbledon. 

"I was the first young guy to show all the other guys – like Zverev and Thiem and stuff – that they could do it as well, I feel like I was the first one to break the mould. You look at guys like Alcaraz, Sinner who are just absolutely fearless. 

"I think a lot of players think that Federer, Djokovic and Nadal are almost Gods and you can’t hurt them. I feel like I showed at least one of them was human that day."