MELBOURNE, Australia (AP) — The Latest on the Australian Open (all times local):

8:50 p.m.

Two-time major winner Simona Halep took a tumble and then saved three set points in the first set before recovering to fend off Jennifer Brady 7-6 (5), 6-1 in the first round.

Halep has had four first-round exits at Melbourne Park, but not since she reached the final here in 2018 — having saved match points in third round and the semifinals.

She won the French Open in 2018 and Wimbledon last year, and is seeded fourth in Australia.

Halep hurt her right wrist when she stumbled on the court in the 10th game, and was broken in the 11th game. But she broke back immediately as Brady served for the set, and then dominated from midway through the tiebreaker.

Brady had wins over former No. 1 Maria Sharapova and top-ranked Ash Barty in a warm-up tournament and troubled Halep in the first set with her powerful ground strokes.

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8:40 p.m.

A back injury has forced former Australian Open finalist Jo-Wilfried Tsonga to retire from his first-round match against Alexei Popyrin after falling behind two sets to one.

The 34-year-old Frenchman won the first set in a tiebreaker before losing the next two sets 6-2, 6-1, calling for a trainer and then notifying the chair umpire that he could not continue.

“I have a back problem," Tsonga said. “It's annoying, annoying me when I play since I arrived from Doha, I've got some pain.

"So, yeah, it's difficult for me to deal with it for the moment. It's new. I will go home and see with my doctors what I have to do exactly and think about it."

Tsonga lost the 2008 final at Melbourne Park to Novak Djokovic.

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7:30 p.m.

Former Australian Open finalist Jo-Wilfried Tsonga retired from his first-round match against Alexei Popyrin after falling behind two sets to one.

The 34-year-old Frenchman won the first set in a tiebreaker before losing the next two sets 6-2, 6-1, calling for a trainer and then notifying the chair umpire that he could not continue. No reason was given immediately for his withdrawal.Popyrin recalled being motivated by Tsonga's run to the 2008 final at Melbourne Park, which ended in a loss to Novak Djokovic.

“I never felt like this after a match. He was my hero as a kid,” the 20-year-old Popryin said. "When he made the finals here I was in my living room jumping around like a crazy kid. Seeing him retire in this match is just painful."

The rain the caused havoc with the schedule on Day 1 had a knock-on effect on the second day of the tournament, with eight first-round women's singles matches postponed to Wednesday because of a backlog on all courts.

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4:45 p.m.

Rafael Nadal had a 6-2, 6-3, 6-0 win over Hugo Dellien in his first competitive match back on Rod Laver Arena since losing the Australian Open final to Novak Djokovic last year.

The top-ranked Nadal is chasing his 20th major singles title, aiming to equal Roger Federer's men's record. He's also aiming to complete a collection by winning each of the four Grand Slam titles at least twice. He won the Australian title in 2009 and has lost four finals since then at Melbourne Park.

The 33-year-old Nadal dropped a service game once in each of the first two sets but was too dominant for No. 73-ranked Dellien, a Bolivian who was playing his first match at the season's first major and had only played five previous matches in the main draw of a major.

“It's a positive start," Nadal said. “What you want in the first round is to win, and straight sets is better."

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2:25 p.m.

Former No. 1-ranked Maria Sharapova's run of first-round exits at the majors continued with a 6-3, 6-4 loss to 19th-seeded Donna Vekic at the Australian Open.

Sharapova, a five-time Grand Slam title winner, was given a wild card for the main draw at Melbourne Park after her year-end ranking slipped to 136 in 2019 after a season interrupted by injuries. The 2008 Australian Open winner reached the fourth round here last year, missed the French Open and then lost in the first rounds at Wimbledon and the U.S. Open.___

2 p.m.

On the scoreboard it looks like a routine three-setter, but it took two days and a lot of disruptions for Milos Raonic to advance to the second round at the Australian Open.

Raonic was leading by two sets and 5-2 when heavy rain suspended his opener against Lorenzo Giustino, a lucky loser from qualifying who got a spot in the main draw when Radu Albot withdrew an hour before the first round on Monday.

The 2016 Wimbledon finalist returned on Day 2 to complete a 6-2, 6-1, 6-3 win. There was no need to rush it through on the opening day, said Raonic, who has been troubled by a series of injures and was the lowest-ranked of the 32 seeds in Australia.“If I was serving, maybe I would have rushed it. But to receive and have to move, I don't think so,” he said. “And the rain came down pretty quickly. Once it started -- it wasn't like there was a moment of maybe we could have played one or two points in the moments where it was drizzling at the beginning.”

Raonic reached the quarterfinals here last year and the fourth round at Wimbledon, but missed the French Open and U.S. Open because of injuries.

“Since the end of the season, I took time to recover my back and take care of a few other things,” he said. “I was able to train for about six, seven weeks straight without any hindrances, no setbacks. I was thankful for that.

“To start off in that way, especially not having played a lot of matches, to play a pretty clean match and obviously to come back today and be efficient, all of those things are positive, something I can build off.”

In another match played across two days, No. 12-seeded Fabio Fognini rallied from two sets down to hold Reilly Opelka 3-6, 6-7 (3), 6-4, 6-3, 7-6 (5).

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12:50 p.m.

Second-seeded Karolina Pliskova clinched a 6-1, 7-5 win with a late service break against Kristina Mladenovic in the opening match on at Rod Laver Arena on Day 2 of the Australian Open.

Pliskova, who lost to eventual champion Naomi Osaka in the semifinals here last year, started the season with a title in Brisbane.

“It's a new beginning here,” Pliskova said. “The weeks before, nobody really counts and nobody remembers. But I had some very good matches.”

Sixth-seeded Belinda Bencic advanced with a 6-3, 7-5 Anna Karolina Schmiedlova.

Next up Rod Laver Arena will be Maria Sharapova's match against 19th-seeded Donna Vekic. Sharapova, a five-time major winner and champion here in 2008, has been affected by injuries needed a wild-card entry from organizers to get into the main draw.

The heavy rain that disrupted the opening day of the tournament has given way to sunny skies and pleasant playing conditions on Day 2.

Top-ranked Rafael Nadal was scheduled to play the final day match on Rod Laver Arena against Hugo Dellien.

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11:45 a.m.

Former semifinalist Johanna Konta is out of the Australian Open after losing her first-round match to Ons Jabeur 6-4, 6-2. It was the 28-year-old Konta's second match since last year's U.S. Open after being sidelined with a chronic tendinitis-related injury in her right knee.

Konta lost in the first round of the Brisbane International to start the year and later pulled out of the Adelaide International.

The Sydney-born Konta advanced to the semifinals at Melbourne Park in 2016. She lost to Jabeur the last time they played at Eastbourne in 2019.

The match was carried over from Monday when torrential rain suspended all play on outside courts from mid-afternoon.

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10:35 a.m.

Mostly sunny skies returned to Melbourne Park for Day 2 of the Australian Open, a welcome change from the deluge of rain Monday that forced suspension of dozens of matches.

As a result, organizers started play on outside courts a half-hour early while matches on the three covered main courts were scheduled to begin at the regular time. Leading off the day on Rod Laver Arena was second-seeded Karolina Pliskova, who played Kristina Mladenovic.

Next up was 2008 Australian Open champion Maria Sharapova, who needed a wild- card entry after a series of injuries forced her off the tour and saw her ranking slide. She plays 19th-seeded Donna Vekic.

Top-seeded Rafael Nadal makes his first appearance in the final day match Rod Laver Arena against Hugo Dellien.

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