With 20 Slams already in his kitty and the title of the greatest of all time, Federer and his fans would want an encore of last year's performance from the defending champion.
The veteran will next play either France's Gael Monfils, seeded 30, or American Taylor Fritz in the last 32. Playing attacking shots, Evans had nearly clinched the opening set while serving at 5-4 in the tie break round. First up, Caroline Wozniacki faces Allison van Uytvanck before it rounds off with the maestro Roger Federer being up against Denis Istomin.
Cilic hasn't lost at Melbourne Park to anyone ranked as low as McDonald since 2007. But it was curtains for South African fifth seed Kevin Anderson, who slumped out to young American Frances Tiafoe.
"Amazing. That was incredible, thank you so, so much to everyone that came out tonight", he said after being given a rapturous send-off.
Second seed Rafael Nadal, another who has struggled with injuries, is also in action against Australian James Duckworth.
Tsurenko, a finalist at the Brisbane International two weeks ago, had only nine winners in the 54-minute match.
"It was a good test for my leg, for my shoulder", she said.
However, his impressionable style of play certainly caught the eye of the Swiss who quite possibly paid Evans the greatest compliment he could. "It's a very seamless transition".
Evans was a courageous competitor, providing a mix of skills similar to the Swiss' own, but Federer eventually prevailed 7-6 (7-5) 7-6 (7-3) 6-3 in an entertaining contest on Wednesday. It will be Rafa's third straight Australian foe. Barty handily accounted for Chinese doubles specialist Yafan Wang, winning 6-2, 6-3 in impressive fashion. He made a return to competitive tennis last April without a rank, and has since seen a steady rise.
He said he would like to finish his career at Wimbledon, but admitted the Australian Open could be his last tournament.
Federer wanted play to stop, umpire Marijana Veljovic disagreed and after a few choice words it took the intervention of the match referee Wayne McKewen to resolve it.
While the vast majority of serious contenders reached the second round, there was one notable exception in British star, Andy Murray, who was eliminated from the tournament.
Meanwhile, three-time Grand Slam champion Kerber dominated Brazilian qualifier Beatriz Haddad Maia 6-2, 6-3 to stay on a collision course with Stephens in the quarter-finals. Tsitsipas could play Federer in the fourth round.
Dane Wozniacki, who is battling rheumatoid arthritis, steamrolled past Sweden's Johanna Larsson 6-1, 6-3 as she bids to become the first woman to defend the title since Victoria Azarenka in 2013.
But Germany's 14th seed Julia Goerges, who won the recent Auckland Classic, crashed out, as did former French Open champion Jelena Ostapenko.
It was a far cry from the position he was in this time past year and world No. 189 Evans revealed the struggles he had been through on his way back to the top level.
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