Kyrgios spotted partying after Wimbledon withdrawal

Nick Kyrgios has been pictured enjoying a night out with two female companions in London after his Wimbledon exit, which has prompted impassioned pleas to work on his fitness.

The blonde and brunette women photographed with the 22-year-old are Australian-born Monique Belovukovic, 18, and British-born Chelsea Samways, 18, the Daily Mail reports.

The up-and-coming tennis players joined Kyrgios at the Cirque Nightclub, in London’s Soho district, for a night out.

The 22-year-old Australian awaits results of an MRI scan after being forced to retire mid-match at a major for the second time in nine months.

Since battling the hip problem, which hinders his ability to push off for his explosive serve and "virtually everything" else he tries on the court, Kyrgios has crashed out of the past four grand slams to lower-ranked rivals.

See the pictures of Kyrgios's night out in the video above as the Sunrise team discuss his Wimbledon campaign.

The world No.20 has failed to progress beyond even the third round in falling to Ilya Marchenko, Andreas Seppi, Kevin Anderson and Pierre-Hugues Herbert on his most recent visits to New York, Melbourne, Paris and Wimbledon.

With Kyrgios reluctant to undergo surgery, former Australian Davis Cup captain and world No.1 John Newcombe is advising the Canberran to embark on a rigorous fitness regime to transform his brittle body.

"You've got to look back over the last couple of years. It was okay when Nick was 18 and 19, but he hasn't been working as hard as he should," Newcombe said.

"With his build, he needs to really have strong muscles and ligaments around all the joints.

"And because he's not strong enough, they're breaking down as he's entering his 20s.

"We saw it with Mark (Philippoussis) that the joints started to break down, a little bit later because Mark did do some work at different times.

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"Nick can play a five-set match, but the body's not strong enough to hold the joints together at the arm and the shoulder and the knees and the hips.

"So you're getting constantly a breakdown because the support structure is not there.

"Nick needs to take a couple of months and find the best trainer he can and make a dedicated effort to himself: 'I'm going to get as fit as I possibly can'.

"If he does, he's top five, six in the world."

Countryman Bernard Tomic climbed to his career-high ranking after undergoing double hip surgery three years ago and is encouraging Kyrgios to also bite the bullet.

"He just needs to do it because there is a lot of players that have done it - Raonic, Lleyton, myself," Tomic said.

"He needs it done because he's serving and he's an explosive player and he's using those hips and legs. I feel he has to put aside a couple months.

"I was out for five months. He's not doing two hips, I believe. One shouldn't be a problem. Should be back enjoying tennis in a couple months."

with AAP