Japan's Yoshihito Nishioka advanced to the Australian Open's third round with a straight-sets victory over qualifier Dalibor Svrcina on Wednesday.
The 27-year-old Nishioka, the 31st seed at the year's first Grand Slam tournament, beat the 20-year-old Czech Svrcina, ranked 219th in the world, 6-3, 6-4, 6-2 in 1 hour, 47 minutes.
It is the second time the left-handed Nishioka has reached the third round in a Grand Slam, the last time coming here in 2020.
His next opponent will be 65th-ranked American Mackenzie McDonald, who reached the third round by defeating Spanish top seed and defending champion Rafael Nadal 6-4, 6-4, 7-5 at Melbourne Park's center court, Rod Laver Arena.