HIGHLIGHTS-Tennis-Australian Open day one

I don't know, I also like the colour, I haven't worn hot pink in a little minute." Earlier, China's Zheng Qinwen earned her first victory in a Grand Slam by defeating Aliaksandra Sasnovich 6-3 1-6 7-6(5). 1359 ALCARAZ, VUKIC ADVANCE Spanish 18-year-old Carlos Alcaraz, who reached the U.S. Open quarter-finals, beat Chilean qualifier Alejandro Tabilo 6-2 6-2 6-3 while Australian wildcard Aleksandar Vukic stunned 30th seed Lloyd Harris 4-6 6-3 7-5 7-6(3). Belarusian Ilya Ivashka withdrew from the tournament due to a leg injury and was replaced by 'lucky loser' Damir Dzumhur, who will play Pablo Andujar on Tuesday.

Highlights of the opening day of the Australian Open at Melbourne Park on Monday, all times local (GMT +11): 1642 NADAL TOO GOOD FOR GIRON

Rafa Nadal, the only former champion in the men's draw, cruised into the second round with a 6-1 6-4 6-2 victory over unseeded American Marcos Giron. The 2009 champion had warmed up for the Grand Slam by winning his 89th Tour-level title in Melbourne earlier this month. He plays German qualifier Yannick Hanfmann or Australian wildcard Thanasi Kokkinakis next.

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1616 BERRETTINI SURVIVES NAKASHIMA SCARE Wimbledon runner-up Matteo Berrettini made a slow start before finding his rhythm to get past unseeded American Brandon Nakashima 4-6 6-2 7-6(5) 6-3 to reach the second round.

Denis Shapovalov was also made to work hard by Serb Laslo Djere before sealing a 7-6(3) 6-4 3-6 7-6(3) win, while 17th-seed Gael Monfils downed Federico Coria 6-1 6-1 6-3. 1555 JABEUR OUT WITH BACK INJURY

Tunisia's Ons Jabeur pulled out of the tournament with a back injury and was replaced in the draw by Irina Bara, who takes on Nuria Parrizas Diaz of Spain. 1429 OSAKA QUELLS OSORIO CHALLENGE

Defending champion Naomi Osaka had some nervy moments after going up 5-0 in the opening set but settled to beat Colombian Camila Osorio 6-3 6-3 in their first meeting. Osaka, who next faces Madison Brengle, spoke about her blue and pink outfit after the match.

"Apparently, it has asymmetrical lines and it's supposed to represent the Melbourne skyline. I don't know, I also like the colour, I haven't worn hot pink in a little minute." Earlier, China's Zheng Qinwen earned her first victory in a Grand Slam by defeating Aliaksandra Sasnovich 6-3 1-6 7-6(5).

1359 ALCARAZ, VUKIC ADVANCE Spanish 18-year-old Carlos Alcaraz, who reached the U.S. Open quarter-finals, beat Chilean qualifier Alejandro Tabilo 6-2 6-2 6-3 while Australian wildcard Aleksandar Vukic stunned 30th seed Lloyd Harris 4-6 6-3 7-5 7-6(3).

Belarusian Ilya Ivashka withdrew from the tournament due to a leg injury and was replaced by 'lucky loser' Damir Dzumhur, who will play Pablo Andujar on Tuesday. 1301 SAKKARI MOVES PAST GERMAN MARIA

Maria Sakkari withstood a late charge from Tatjana Maria to beat the German 6-4 7-6(2) on Rod Laver Arena. "We all know that first rounds are not easy, credit to Tatjana, she played a really great match," said Sakkari. "I was a little bit stressed because I was, kind of, opening up the tournament on this wonderful court."

Olympic champion Belinda Bencic eased past France's Kristina Mladenovic 6-4 6-3 while 15th-seed Elina Svitolina beat Fiona Ferro 6-1 7-6(4). 1219 GIORGI SWEEPS INTO SECOND ROUND

Camila Giorgi was the first player into the second round at the 2022 championships after completing a 6-4 6-0 victory over Anastasia Potapova on court six. The 30th seeded Italian clinched the victory when her Russian opponent double faulted for the fifth time in the match and will next face Czech Tereza Martincova or American Lauren Davis.

1110 PLAY UNDERWAY AT MELBOURNE PARK After 10 days dominated by the Novak Djokovic visa saga, play at the 110th Australian Open got underway as scheduled under cloudy skies.

The temperature was a cool 18 degrees Celsius (64 degrees Fahrenheit) with a maximum of 23 forecast.