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Kartal has forced a third set against Haddad Maia after winning the second 6-1. Dominant work from the Brit, who made seven unforced errors in that set compared to Haddad Maia’s 16.
Boulter is staring at the exit door, down 0-30 and 3-5 in the second set. A successful forehand at the net prompts an emotional release but she follows that with a double fault. Kostyuk has two match points. Boulter saves both … the second done with a drive volley. But then another ill-timed double fault, and Kostyuk has her third match point, and then a fourth, and then a fifth … but Boulter shows some stellar defence, with Kostyuk netting a volley. Finally, Boulter has advantage, and she takes it with a fine serve down the middle. Proper fight from Boulter but she remains a break down. Kostyuk leads 6-4, 5-4.
Kartal isn’t happy with a one-break advantage in the second set … she nabs another to lead 5-1 against Haddad Maia.
Arango hits her first ace of the match but she remains a break down in the second set against Swiatek, who leads 6-1, 2-1.
Katie Boulter is in trouble. Having lost the first set, she’s down a break in the second, with Marta Kostyuk leading 3-1, the last game sealed with a cracking forehand winner into the corner. Kostyuk has seven aces to Boulter’s none and leads the winners count 13-6.
Swiatek isn’t messing about. She laces a backhand down the line to take the first set against Arango 6-1 inside half an hour. Swiatek has 10 winners while Arango is still waiting for her first.
Updated at 12.13 EDT
Kartal and Haddad Maia are having a proper ding-dong. The former breaks to go 2-0 up in the second set but Haddad Maia has a break point in the third game … she doesn’t get her drop shot right – it’s too light – and we’re into deuce. Kartal gets herself out of a hole to go up 3-0.
Swiatek is down 0-30 on her serve and nearly lands in some trouble with a forehand … but it was on the line. She escapes trouble to hold her serve and go 4-1 up.
Swiatek has two break points as Arango trails 1-2. The defending Wimbledon champion converts immediately after Arango slices a backhand into the net. Swiatek leads 3-1 in the first set, with no real signs yet of a potential upset.
Poland’s Iga Swiatek in action during her first round match against Colombia’s Emiliana Arango. Photograph: Shannon Stapleton/ReutersShare
Updated at 12.10 EDT
Kostyuk takes the first set against Boulter 6-4. A tough start for the Brits.
There’s another break in the contest between Haddad Maia and Kartal – the former is now 5-3 up, serving for the first set. She holds to love, with Kartal up against it, struggling to make inroads against Haddad Maia’s first serve. Haddad Maia takes the first set 6-3.
Iga Swiatek is underway on Arthur Ashe, the 2022 US Open champion serving against Emiliana Arango. The second seed is up and away, holding her serve to go 1-0 up.
Kartal has an opening against Haddad Maia’s serve, with the Brazilian down 15-30. A double fault gives Kartal two chances to break. Kartal takes the second, victorious in a lengthy rally. Haddad Maia now leads 4-3. Boulter, meanwhile, has broken back herself, levelling up at 4-4 with Kostyuk.
Kartal is on her serve, trailing 2-3. She completely miscues a forehand to trail 15-30, but Haddad Maia loses her own radar when attacking Kartal’s second serve. Haddad Maia has a chance to break … but Kartal’s first serve reappears to take us to deuce. Haddad Maia gets her second break point when Kartal nets a forehand … and this one is converted, Kartal going long with a backhand. Haddad Maia, the 18th seed, leads 4-2 in the first set.
Boulter has the fist pumps going but she’s also taken to deuce by Kostyuk, who has the first chance to break after a crushing forehand. She takes it, too, after Boulter nets a backhand. Kostyuk goes 2-1 up in the first set on Grandstand.
Marta Kostyuk gets the early break against Katie Boulter. Photograph: Sarah Stier/Getty ImagesShare
Updated at 11.30 EDT
Boulter begins her tournament by holding serve against Kostyuk. Kartal’s start is less straightforward. Haddad Maia takes the first game on her serve as well as the first two points on Kartal’s. The 23-year-old shows some ticker to hold.
Katie Boulter is up against Marta Kostyuk, the 27th seed. Getting to the second round hasn’t been an issue for Boulter. She’s got there in five consecutive slams – but can’t find a way to get to the third. Her last third-round slam appearance was at the 2023 US Open. Sonay Kartal, facing Brazil’s Beatriz Haddad Maia, is looking to build on her run to the fourth round at Wimbledon.
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Hello, hello, hello and welcome to the last day of first-round action at Flushing Meadows. We’ve got Iga Swiatek and Jannik Sinner leading the cast on Arthur Ashe, and we’ll keep an eye on the Brits as well: Katie Boulter and Sonay Kartal will kick off at 11am local time/4pm BST. Over on Louis Armstrong, we’ll get a look at 10th seed Lorenzo Musetti as well as Amanda Anisimova, recent runner-up at Wimbledon.
The headlines from yesterday include Madison Keys’ early exit, Venus Williams’ return and, um, Carlos Alcaraz’s haircut. Here’s to some proper thrills today.