NEW YORK (AP) — The latest news on the U.S. Open tennis tournament (all times local):

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6:50 p.m.

Serena Williams finished her last practice before the US Open after half an hour.

As she walked along the courts, towards Arthur Ashe Stadium, fans shouted her name, “Serenaaaaa!” She raised her arm to wave her racquet in recognition.

She then drank a bottle of water and continued walking, pursed lips, towards the stadium for what could be the last singles match of her prolific career.

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6:30 p.m.

Serena Williams started a warm-up session at a training ground just outside Arthur Ashe Stadium ahead of her first round match at the US Open.

Williams was greeted by cheers from fans who filled the stands in the practice area as she took Ashe’s short walk around 45 minutes before she was due to face Danka Kovinic.

Before grabbing her racquet, Williams walked over to greet her good friend, former tennis player Caroline Wozniacki, and Wozniacki’s husband, former NBA player David Lee, with hugs.

Williams began trading shots from the baseline with her punching partner as coach Eric Hechtman and adviser Rennae Stubbs looked on.

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4:10 p.m.

Ukrainian Daria Snigur’s first career victory on the WTA Tour was significant.

7-seeded Simona Halep, 20, upset 6-2, 0-6, 6-4 in the US Open first round, then struggled through tears to explain what the victory meant. meant to his family and his country during his war with Russia.

Snigur wore a pin with the colors of the flag of Ukraine on his chest and put his hands around it after the end point.

Snigur took part in the ‘Tennis Plays for Peace’ exhibit at Louis Armstrong Stadium last week to raise money to help Ukraine, and she said it might have helped her get her nerves back when she returned on the same ground on Monday.

Halep has won 19 of her last 22 matches and recently returned to the top 10, but the two-time Grand Slam champion has struggled at the US Open throughout her career.

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3:15 p.m.

Wu Yibing has become the first Chinese to win a US Open match in the professional era.

Wu upset 31st-seeded Nikoloz Basilashvili 6-3, 6-4, 6-0. He had worked his way through the field in the qualifying tournament, joining fellow countryman and qualifier Zhang Zhizhen as the first Chinese man in the US Open main draw since the Open Era began in 1968.

Wu won the 2017 US Open singles and doubles titles.

Zhang lost to Tim van Rijthoven in five sets.

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2 p.m.

Andy Murray reached the second round of the US Open with one of the tournament’s first upsets.

Murray beat Argentinian Francisco Cerundolo, number 24, 7-5, 6-3, 6-3. Murray won the first of his three Grand Slam titles 10 years ago at Flushing Meadows.

Another seeded loser was Spain’s Roberto Bautista Agut, seeded No. 16, who was beaten in straight sets by American JJ Wolf.

Third seed Maria Sakkari and 17th seed Caroline Garcia were among the early winners on the women’s side.

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12:20 p.m.

A small group of protesters chanting “Novak! Novak!” outside the entrance to the US Open called for an end to the vaccine travel warrant that kept Novak Djokovic out of this year’s tournament.

Djokovic, from Serbia, was unable to travel to the United States as he is not vaccinated against COVID-19. He was able to compete in the previous two U.S. Opens held during the pandemic, but the current vaccine requirement began Nov. 8.

Members of Families are Essential and Children’s Health Defense & Teachers for Choice were among the protesters, standing behind signs reading “End The Travel Mandate Now!”

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11:15 a.m.

With Serena Williams on the schedule on the night, the US Open started off with a lot more buzz than usual for Day 1.

The game started in the last Grand Slam of the year, with defending champion Daniil Medvedev among the players to be in action on Monday.

Medvedev, who won his maiden Grand Slam title last year at Flushing Meadows, plays the seeding match at Arthur Ashe Stadium against American Stefan Kozlov at noon.

Former US Open champion Andy Murray takes on Argentina’s Francisco Cerundolo, number 24, in one of the matches that has started.

Williams will start the night session at Ashe for the start of what could be the last tournament of his career. The 23-time Grand Slam singles champion takes on Danka Kovinic.

Dominic Thiem, the 2020 champion who missed the tournament last year, is also on the schedule, along with former US Open champions Stan Wawrinka and Bianca Andreescu.

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