Tennis player who collapsed at Miami Open gives update on his condition from hospital after he had to be taken off the court in a wheelchair

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French tennis player Arthur Cazaux has given fans an update on his condition after he collapsed midway through his match at the Miami Open on Monday in terrifying scenes.

The 21-year-old was all square against fellow Frenchman Harold Mayot when Cazaux fell to the ground as he prepared to return serve with nobody around him.

He was lying on the floor for a number of seconds before the umpire finally got down from his chair and a medic rushed on to help.

Footage later showed Cazaux being led off the court on a wheelchair after receiving treatment. 

But he has now taken to social media to his followers that he has been discharged from hospital after a 'long series of tests'.

Arthur Cazaux collapsed on court midway through his match at the Miami Open on Monday

The 21-year-old fell to the ground with nobody around him during the decisive third set

He was lying on the floor for a number of seconds before the umpire and medic rushed over

He posted on Instagram in French: 'I have just left the Miami hospital after spending the night there receiving care and a long series of tests.

'Today my physical condition is better, my tension and my heart have remained stable.'

Cazaux had levelled things up in the match by winning the second set 7-5 after Mayot took the first 6-4 in Florida. 

Temperatures in Miami were hovering around 88 degrees Fahrenheit on Monday with around 70 per cent humidity.

After receiving criticism on social media for his lack of reaction to Cazaux falling, Mayot wrote: 'Stop starting a false controversy for nothing.

'It had been several games since he didn't feel well and he was starting to cramp.

Cazaux revealed on Instagram he's been discharged from hospital after a 'long series of tests'

'I didn't see him fall and I thought he was lying down because he had a cramp. When I understood that it was serious I immediately followed go to him and I was very worried.

'I did my best to help. There is nothing but great friendship and complicity between us and always has been.

'You need to stop sending your hate all the time. I wish him a good recovery and the best.'

Cazaux, currently ranked No. 74 in the ATP rankings, reached the fourth round of the Australian Open earlier this year. 

Mayot went on to beat Belgium's David Goffin 7-6, 6-2 on Tuesday for a place in the main draw.