The Swiss will be gunning for a 20th grand slam title, but following Thursday's draw, the heat will be on for the 36-year-old in Melbourne.
The Australian Open is just days away and the main contenders are offering their final thoughts before the battle starts.
It has been an encouraging start for Kyrgios, who has always struggled to control his emotions while wielding one of the most devastating games on the ATP Tour.
"Those guys have been on tour for much longer than me so I think that has something to do with it", Zverev said. "So that's the good news".
Where once it held the possibility, if not the plausibility, of regathering Serena Williams, Novak Djokovic, Andy Murray, Stanislas Wawrinka, Milos Raonic and Kei Nishikori from all their various hiatuses, it will boast half those six, lacking Williams, Murray and Nishikori because of a blessing, a hip and a wrist. Oceania has not been kind to her this January, seeing her withdraw from Brisbane with cramps and from Sydney with an adductor issue.
When Roger Federer picks up his racket to face Aljaž Bedene in the Australian Open on Monday, he may be playing the match that determines whether he will defend his crown. But he said he feels good and his motivation remains strong.
GETTYRoger Federer will start the Australian Open as favourite
Venus Williams says Serena is "here in spirit" supporting her in Australia, where she's hopeful of ending an nearly decade-long Grand Slam title drought. "But, again, I just don't feel like I want to do anything different or change things up because that's what I've been doing pretty much all my life", he added.
Federer says the likes of six-times champion Novak Djokovic and Stan Wawrinka, both returning after lengthy injury breaks, could benefit from the same mindset he arrived with in Melbourne a year ago, when he was just back from a six-month hiatus.
Romanian Simona Halep is seeded first and Wimbledon champion Garbiñe Muguruza is seeded third, while Venus Williams is seeded fifth. 2017's beaten finalist is up against Belinda Bencic in the opening round. Karolina Pliskova, Czech Republic; 7.
Women's top seeds: 1. Gets enormous power off his 1.98-metre frame and pundits say as he bulks up and gains more experience in five-set matches, success at all tournaments, including Grand Slams, should follow. Is going to be the first official match of the year. This enables us the option of the plethora of candidates (including Djokovic) in quarter three, as well as Federer in quarter four, and bettors who aren't put off by backing odds-on shots can consider this possibility.
Djokovic will wear a sleeve on his right arm to forestall any reoccurrence of the elbow injury that has plagued him since Wimbledon 2017.
"I'm playing well and now it's just about getting through the matches at the beginning part of the tournament", Federer said. "I feel myself more or less playing well".