Saeideh Aletaha, 26, died after she suffered a blow to the head while competing in the Fast And Furious Fight Series in Southampton on November 16, 2019. Ms Aletaha, from Salisbury, was knocked out in the third round and later collapsed in a toilet at the Central Hall venue.
Paramedics attending the event treated Ms Aletaha before taking her to Southampton General Hospital an hour later in a life-threatening condition.
Sadly, she died the following day from acute subdural haematoma, a bleed on the brain, according to an initial post-mortem examination.
Her family say her opponent in the organised fight, Janie Morgan, “seemed bigger and more muscled” than Ms Aletaha.
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Addressing the incident, he said: “Losing someone like this is very hard for everyone.
“This is the absolute worst thing that could happen, but I am fully confident that we did as much as we could.”
In a statement, Ms Aletaha’s family paid tribute to her as “a breath of fresh air bringing sunshine”.
They added: “Saeideh was always patient and the type of person who would help anyone with anything but would never ask anyone for a favour.
“Her dedication to her work, sport and being healthy and physically and mentally fit is something that everybody admired about her.
“It was very devastating for her family to lose Saeideh alone and so far away in such an accident.”
The inquest continues.