Third seed Roger Federer hit winners at will in an imperious display as he cantered into the third round of the Australian Open with a 6-1 6-4 6-1 thumping of Serb Filip Krajinovic.
Starting his second-round match at around 2100 local time on Rod Laver Arena, the six-time champion appeared to be in a hurry to finish the contest, breaking his opponent's serve twice in the first two sets and thrice in the third.
Krajinovic took a medical timeout to have his right upper arm attended with Federer leading 2-1 in the third set but it made no difference to the momentum for the 20-times Grand Slam champion, who hit his 42nd winner to end the contest in a little over 90 minutes.
Next up for Federer, who was broken only once in the match, will be a meeting against local hope John Millman.
Defending champion Novak Djokovic banished the ghosts of wildcards past by despatching Japan's Tatsuma Ito 6-1 6-4 6-2 to sail into the third round.
The world number two was famously knocked out of the second round at Melbourne Park by Uzbek wildcard Denis Istomin three years ago in the upset of the tournament.
He had no such problem against Ito, who earned his place in the draw with victory in the Asia-Pacific wildcard playoff.
Having struggled through a four-set grind against unseeded German Jan-Lennard Struff in his opener, Djokovic was back to his imperious best as he fired down 16 aces and racked up 31 winners in a 95-minute romp at a gusty Rod Laver Arena.
Ito, a 31-year-old journeyman ranked 146th in the world, gave Djokovic a decent work-out in the second set but the Serb broke the match open with an inspired passage of play.
He scrambled to retrieve a drop-shot and flicked a cross-court forehand winner at full-stretch to bring up set point then converted it with an ace.
Ito promptly crumbled to trail 4-1 in the third and Djokovic, chasing a record-extending eighth title at Melbourne Park, marched to victory with a barrage of thumping serves.
He will meet another Japanese player in Yoshihito Nishioka, who knocked out British 30th seed Dan Evans in straight sets, for a place in the fourth round.
For the second time in three years, Tennys Sandgren defied his lowly ranking to send a top 10 seed out of the second round when he outslugged Matteo Berrettini 7-6(7) 6-4 4-6 2-6 7-5.
The world number 100 felt he rode his luck a little after giving up the third and fourth sets to the eighth seeded Italian young gun with barely a whimper before rallying to snatch his chance of one of the biggest victories of his career.
"It's a top 10 at a slam so it's right up there," the affable 28-year-old American told reporters.
"He played too good in the fourth, kind of beat me up a little bit, so going into the fifth set I didn't feel like I had much momentum ... I think I got away with one there."
