There was chaos at the US Open as a mouth-watering quarter-final clash was cancelled at the last minute.
On Tuesday, it was quarter-final day at Flushing Meadows as the likes of Carlos Alcaraz and Novak Djokovic were in action on the men's side of the draw.
Spaniard Alcaraz sealed his place in the last four with a comfortable straight-sets win over Jiri Lehecka, winning 6-4, 6-2, 6-4.
Meanwhile, 24-time Grand Slam champion Djokovic was made to work as he needed four sets to dispatch number four seed Taylor Fritz. The Serbian came out on top 6-3, 7-5, 3-6, 6-4.
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As a result, Alcaraz and Djokovic will face off in a mouth-watering semi-final clash.
However, in the women's draw, there was chaos as 2023 Wimbledon champion Marketa Vondrousova was forced to withdraw from the tournament before taking to court against world number one Aryna Sabalenka.
Explaining her decision to pull out, Vondrousova said in a statement: "I am sorry to announce that I have to withdraw from my quarter-final match this evening due to a knee injury.
"I tried my best to take the court today but during the warm-up I felt again my knee and after consultation with the tournament doctor decided not to risk aggravating the injury.
"I appreciate all the support this tournament and apologise to the fans who were looking forward to the match. I had an amazing time here in New York and can’t wait to be back next year."
In a video posted on social media, Vondrousova could be seen struggling as she took to the practice courts and had to be comforted by members of her team. You can watch the footage below.
As a result of Vondrousova's withdrawal, Sabalenka goes straight into the semi-final, where she will take on American Jessica Pegula, who beat Barbora Krejcikova 6-3, 6-3 in the last eight.
Reacting to Vondrousova's injury, Sabalenka released her own statement on social media.
The 27-year-old wrote: "So sorry for Marketa after all she’s been through. She has been playing amazing tennis and I know how badly this must hurt for her.
"Take care of yourself and I hope you can recover quickly."
Marcus Chan