Rafael Nadal's comeback from long layoff reaches Brisbane quarterfinals

When Rafael Nadal faced three break points while serving for a commanding first set, a voice in the crowd at the Brisbane International yelled out to Jason Kubler: "You've got him worried now!"

It was a fleeting concern for the 22-time major winner on Thursday in his second match back from a year-long injury layoff.

Nadal won the next five points to seal the set, broke at love to open the second set and consolidated by holding his own serve easily to put him on course for a 6-1, 6-2 victory over Kubler and a spot in the quarterfinals.

"Every day is an adventure," Nadal said. "I take every day like an opportunity, and tomorrow is another one."

The 37-year-old Spaniard is playing on a wild card after his ranking slipped into the 600s as he recovered from hip surgery, and he's desperate for match time ahead of the Australian Open this month.

Regaining the mental and muscle memory of navigating the difficult game scenarios is on his must-do list this week.

"It's important to survive these kind of moments because you practice the adversity," he said. "Something I need to practice again because [it's] been a while, a long time, without being in that position."

Nadal's first competitive match since January last year was a win on Tuesday against 2020 U.S. Open champion and former No. 3-ranked Dominic Thiem.

"It means a lot to me," Nadal said, "and two victories after a long time being outside of the professional tour is something that, yeah, makes me feel good and happy."

He was more convincing against Kubler, a hometown favourite who is ranked 63rd after a career interrupted by multiple operations on his knees.

Nadal had 20 winners, including some ripping forehands, and eight unforced errors. As well as his powerful ground