Rafael Nadal maintained his perfect record at this year's Australian Open with a 6-1 6-3 6-1 victory over Damir Dzumhur.
The world number one is yet to drop a set in Melbourne and proved too good for Dzumhur on Margaret Court Arena, booking a fourth-round clash with Diego Schwartzman.
Dzumhur won the only previous meeting between these players after Nadal was forced to retire with dizziness amid soaring temperatures at the 2016 Miami Open.
But an evening start for their latest clash limited the impact of another hot day at Melbourne Park, and the 2009 champion comfortably dealt with anything Dzumhur had to throw at him.
.@RafaelNadal has dropped only 21 games in three rounds at the #AusOpen-- #AusOpen (@AustralianOpen) January 19, 2018
On-court interviewer: "Is that the best preparation leading into the 4R at a Grand Slam you have ever had?"#Nadal: "I really don't know. We are gonna check later." #AusOpenpic.twitter.com/LncAO5425E
Nadal took only 22 minutes to win the first set, and it would have been even quicker had Dzumhur not saved a break and set point to claim his only game of the opener.
Dzumhur showed more fight in the second and, despite going 2-0 down, he got back on terms with a break in the fourth game, only to lose another on his own serve in the next.
But the world number 30 appeared to be growing in confidence and he came close to giving Nadal a taste of his own medicine at the beginning of the third.
Having been broken in the opening game of the first two sets, Dzumhur pushed Nadal all the way, the Spaniard needing five attempts to secure the winning point.
Dzumhur's inability to snatch that game appeared to break his resolve somewhat, having also applied maximum effort with no reward in the previous set.
A break of serve in the next put Nadal well on the path to victory, which was ultimately sealed with an ace on his third match point.
Nadal  bt Dzumhur  6-1 6-3 6-1
Nadal - 28/18
Dzumhur - 23/32
Nadal - 4/0
Dzumhur - 5/6
BREAK POINTS WON
Nadal - 7/16
Dzumhur - 1/2
FIRST SERVE PERCENTAGE
Nadal - 65
Dzumhur - 53
PERCENTAGE OF POINTS WON ON FIRST/SECOND SERVE
Nadal - 67/68
Dzumhur - 55/31
Nadal - 95
Dzumhur - 59