NEW YORK (AP) The Latest on the U.S. Open, the last Grand Slam tournament of the year (all times local):
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2:04 a.m.
Alexander Zverev worked deep into the night to get into the U.S. Open's second round.
The No. 4-seeded Zverev made it through a tight first set and eventually wrested control for a 7-6 (9), 7-5, 6-4 victory over 168th-ranked Darian King, the first player from Barbados to participate in the main draw at any Grand Slam tournament.
The match finished a little past 2 a.m. on Tuesday; the record for latest U.S. Open finish is 2:26 a.m., which has happened three times.
Zverev vs. King didn't get started in Arthur Ashe Stadium until after 11 p.m. on Monday, because it followed Maria Sharapova's three-set win against Simona Halep - which itself followed the opening-night ceremony.
Zverev is a 20-year-old German considered the Next Big Thing in men's tennis. He has won two Masters titles - the men's tier right below the majors - this season, including by beating Roger Federer in the hard-court final at Montreal this month.
Zverev needed four set points to finally close the 80-minute opener against King, who had two set points of his own.
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11:00 p.m.
Maria Sharapova is back ... in black.
The Russian made her return to the U.S. Open, her first Grand Slam event after a 15-month doping ban, in a black dress that featured lace in the sleeveless top and shimmering Swarovski crystals dotting the skirt.
Sharapova said in an interview with the Vogue that she and designer Riccardo Tisci chose black for her night matches because it is the same color she wore on her way to her lone U.S. Open title in 2006 and because it evokes the image of ''Audrey Hepburn and her classic Givenchy dress.'' She said the idea to add the crystals came later.
Sharapova, whose dress sparkled in the Arthur Ashe Stadium lights, completed the outfit with all-black shoes and a black visor that included a single crystal at the end of the Nike swoosh.
Shimmering crystals or not, something was working for Sharapova. She won her opening-round match over No. 2-seeded Simona Halep 6-4, 4-6, 6-3.
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10:48 p.m.
Maria Sharapova made an impressive return to Grand Slam tennis, beating No. 2-seeded Simona Halep 6-4, 4-6, 6-3 in the first round of the U.S. Open.
Sharapova received a wild card to play in her first major tournament since returning from a 15-month doping ban. And she made the most of it, ripping 60 winners to Halep's 15 and wearing down the Romanian with punishing groundstrokes accented by loud grunts. She shrieked with joy when Halep hit a backhand long over the baseline to end the match.
Sharapova, whose five major titles include the 2006 U.S. Open, next faces 59th-ranked Timea Babos of Hungary, who defeated Viktorija Golubic of Switzerland 7-5, 5-7, 7-5.
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10 p.m.
Australian Jordan Thompson has knocked American Jack Sock out of the U.S. Open in the first round, beating him 6-2, 7-6(12), 1-6, 5-7, 6-4.
The 13th-seeded Sock was up 4-3 in the deciding set but his ground strokes, particularly his big forehand, failed him down the stretch. He dropped three straight games to lose the match.
Sock was the only one of the top Americans in action Monday to lose. John Isner, Sam Querrey and Steve Johnson all advanced.
Thompson moves on to play Thomas Fabbiano of Italy, a four-set winner over Australian qualifier John-Patrick Smith.
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9:15 p.m.
Maria Sharapova has taken the first set in her much-anticipated first-round match with No. 2-seeded Simona Halep.
Sharapova, who received a wild card to play in her first Grand Slam event since returning from a 15-month doping ban, battled through a tense first set that featured long baseline rallies accented by loud grunts.
With Sharapova up 5-4 and the score tied at deuce, Halep's notoriously shaky nerves were again on display. She threw in a double fault to give the Russian set point, and then Halep put in a weak second serve that Sharapova walloped for a winner to take the set.
Sharapova has won all six of the previous meetings with Halep.
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8:35 p.m.
Fifth-seeded Caroline Wozniacki rolled to a 6-1, 7-5, first-round U.S. Open victory over Romanian qualifier Mihaela Buzarnescu.
Wozniacki, among eight women who began the tournament with a shot at the No. 1 ranking, benefited from 41 unforced errors by her 133rd-ranked opponent, including 25 in the second set.
Wozniacki, a two-time finalist at Flushing Meadows, next faces Ekaterina Makarova of Russia, who defeated German Mona Barthel 6-2, 6-1.
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8:05 p.m.
At the opening ceremonies for the 2017 U.S. Open, Shania Twain warmed up the Arthur Ashe Stadium crowd with a medley of her hits, including ''You're Still the One'' and ''Man! I Feel Like a Woman!''
Twain and her bandmates pranced across a tennis racket-shaped stage that was set up on one of the baselines of the stadium court.
It was all a prelude to one of the most anticipated first-round matches: No. 2-seeded Simona Halep against unseeded Maria Sharapova, who is appearing in her first Grand Slam tournament since returning from a 15-month doping ban. Halep is winless against Sharapova in six previous meetings.
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7:25 p.m.
No. 23-seeded Mischa Zverev came back from a set down to beat NCAA champion Thai-Son Kwiatkowski 7-6 (5), 4-6, 4-6, 7-5, 6-3 in a three-and-a-half-hour battle.
Zverev, who upset Andy Murray on his way to a quarterfinal run at this year's Australian Open, got all he could handle from the 710th-ranked Virginia Cavalier, whose collegiate title in May earned him a wild card into the U.S. Open main draw.
But Zverev prevailed on power, booming 11 aces and winning 72 percent of his first-serve points. He next faces Frenchman Benoit Paire, a 6-3, 6-2, 7-6 (5) winner over Lukas Lacko.
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6:15 p.m.
Venus Williams shook off a mid-match lapse to improve to 19-0 in the U.S. Open's first round and stay in the hunt for the No. 1 ranking.
The No. 9-seeded Williams, at 37 the oldest woman in the field, picked up a 6-3, 3-6, 6-2 victory over Viktoria Kuzmova, a 19-year-old qualifier from Slovakia who is ranked 135th.
Williams entered the U.S. Open as one of eight women with a chance to rise atop the WTA rankings by tournament's end.
It was the first tour-level main draw match of Kuzmova's career, the 967th for Williams, who won the title at Flushing Meadows in 2000 and 2001.
Williams was up a set, plus a break in the second at 2-0, when she faltered. Kuzmova broke for 2-1, then pulled at even at 3-all before taking three games in a row to force a third set. But Williams righted herself there, breaking for a 2-0 lead, then digging out of a love-40 hole for 3-0.
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6 p.m.
Denis Shapovalov's outstanding summer kept rolling with a 7-5, 6-1, 6-2 victory over Russia's Daniil Medvedev in the first round of the U.S. Open.
The 18-year-old Canadian, who became the youngest player to reach the semifinals of an ATP Masters 1000 event at the Rogers Cup in Montreal earlier this month, had to qualify to get into the U.S. Open main draw. He dominated Medvedev on serve, winning 72 percent of first-serve points and booming six aces.
Next up for the 69th-ranked Shapovalov will be eighth-seeded Frenchman Jo-Wilfried Tsonga, a 6-3, 6-3, 6-4 winner over Marius Copil of Romania.
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5:35 p.m.
American Sloane Stephens has advanced to the second round of the U.S. Open with a 7-5, 6-1 victory over 2015 runner-up Roberta Vinci.
Stephens, ranked No. 83, has had a strong summer going into Flushing Meadows, reaching the semifinals of the hardcourt events in Toronto and Cincinnati. She faces the winner of the match between 11th-seeded Dominika Cibulkova and fellow Slovakian Jana Cepelova.
Just before the tournament, Vinci was given a replacement trophy for her 2015 loss to Flavia Pennetta in an all-Italian final after the original trophy was stolen from her home in Italy.
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4:25 p.m.
Seventh-seeded Johanna Konta lost in the first round of the U.S. Open, stunned by 78th-ranked Serbian Aleksandra Krunic 4-6, 6-3, 6-4.
Konta was a semifinalist at Wimbledon last month and was one of eight women who had a shot at the No. 1 ranking going into Flushing Meadows.
Konta had been considered Britain's greatest hope to win a U.S. Open title after Andy Murray pulled out with a hip injury just days before the event.
Krunic, who was serving for the match, screamed ''Yes!'' when Konta sailed a backhand wide on match point. Krunic's greatest success in a Grand Slam event came at the U.S. Open in 2014, when she reached the fourth round.
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4:05 p.m.
John Isner, the highest-ranked American man, delivered 22 aces and was broken only once in a 6-1, 6-3, 4-6, 6-3 victory over Pierre-Hugues Herbert of France in the U.S. Open's first round.
The 10th-seeded Isner converted 5 of 9 break points while saving 6 of the 7 he faced.
He is one of 11 men from the host country on Monday's schedule.
Another, Steve Johnson, advanced with a 6-4, 7-6 (2), 7-6 (5) win against Nicolas Almagro of Spain.
Isner next faces Hyeon Chung of South Korea. Johnson plays Kyle Edmund of Britain in the second round.
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3:55 p.m.
Marin Cilic, the 2014 U.S. Open champion, made it through his opening-round match against aptly named American Tennys Sandgren with a 6-4, 6-3, 3-6, 6-3 victory.
The fifth-seeded Cilic was playing his first match since losing to Roger Federer in the Wimbledon final last month. No man ever has won the U.S. Open after not entering any tournaments between the All England Club and Flushing Meadows.
Cilic didn't even practice for two weeks because of a left leg injury. But he produced 55 winners Monday, 33 more than Sandgren.
The 105th-ranked Sandgren, whose name comes from his Swedish great-grandfather and has nothing to do with tennis, pumped his fist after he held serve to win the third set.
Cilic next faces Florian Mayer, who won 7-5, 0-6, 6-3, 6-4 over Rogerio Dutra Silva.
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3:45 p.m.
David Ferrer, the 2013 French Open runner-up, is out of the U.S. Open in the first round.
The 21st-seeded Ferrer fell to 103rd-ranked qualifier Mikhail Kukushkin of Kazakhstan 4-6, 6-3, 6-2, 6-1.
Ferrer made a surprise run to the semifinals of the hard-court Cincinnati Masters earlier this month.
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1:30 p.m.
Two-time Wimbledon champion Petra Kvitova downed former No. 1 Jelena Jankovic 7-5, 7-5, to advance to the second round of the U.S. Open.
Kvitova, the No. 13 seed, blasted 28 winners, twice as many as her opponent, and converted nearly three-quarters of her first-serve points en route to the victory.
Other completed matches on Monday's opening day of the tournament included American wild card Sofia Kenin defeating 32nd-seeded American Lauren Davis 7-5, 7-5; Alize Cornet of France defeating Brit Heather Watson 6-4, 6-4; Kristyna Pliskova of the Czech Republic beating Misa Eguchi of Japan 6-2, 6-2; and American Sachia Vickery defeating Natalia Vikhlyantseva of Russia 4-6, 6-4, 6-1.
On the men's side, 12th-seeded Pablo Carreno Busta defeated American Evan King 6-3, 6-2, 7-6 (5); Kyle Edmund of Great Britain defeated No. 32 Robin Haase of the Netherlands 6-3, 7-5, 6-3; and British qualifier Cameron Norrie defeated Russian Dmitry Tursunov, who retired after dropping the first two sets 7-6 (7), 6-1.
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12:30 p.m.
Wimbledon champion Garbine Muguruza advanced easily to the second round of the U.S. Open, needing just an hour to beat American Varvara Lepchenko 6-0, 6-3.
The third-seeded Spaniard looked efficient in the tournament's first match on the Arthur Ashe Stadium court, firing 16 winners, twice as many as her opponent.
Other matches involving seeded players to finish quickly on Monday's opening day included No. 18 Caroline Garcia of France defeating Tereza Martincova of the Czech Republic 6-0, 6-1, and 31st-seeded Magdalena Rybarikova of Slovakia defeating Italian Camila Giorgi 6-3, 6-4.
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11:35 a.m.
Play has begun on the first day of the U.S. Open, with Wimbledon champion Garbine Muguruza on the Arthur Ashe Stadium court against American Varvara Lepchenko.
Other matches just getting underway on the main show courts include two-time Wimbledon champion Petra Kvitova against former No. 1 Jelena Jankovic, Spaniard Nicolas Almagro against American Steve Johnson, and No. 32-seeded Lauren Davis against fellow American Sofia Kenin.
There appears to be no need for the year-old roof on Ashe. Play began Monday with mostly sunny skies and a temperature of 70 degrees (21 Celsius).
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10:30 a.m.
The 2017 U.S. Open is set to begin with near-perfect weather and a much-anticipated match.
That comes Monday night when No. 2-seeded Simona Halep takes on former No. 1 and five-time major champion Maria Sharapova, who was given a wild-card entry to the U.S. Open after returning from a 15-month doping ban. Halep is winless against Sharapova in six previous meetings.
Play begins in the day session in Arthur Ashe Stadium with Wimbledon champ Garbine Muguruza against American Varvara Lepchenko. The 2014 U.S. Open champion Marin Cilic is next up against aptly named Tennys Sandrgen of the U.S. And seven-time major champion Venus Williams plays Viktoria Kuzmova of Slovakia.
Other big names on Monday's schedule include No. 4 Alexander Zverev, two-time Wimbledon champion Petra Kvitova and top American John Isner.
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