Wimbledon later said she had suffered an "acute knee injury", while Cirstea said she believed that her kneecap had dislocated.
That all changed at Wimbledon yesterday when American player Bethanie Mattek-Sands collapsed mid-match as she was playing against Romania's Sorana Cirstea, appearing to slip as she approached the net at the beginning of the third set.
"It's not easy because at the end of the day it's not about tennis any more", said Cirstea. Although the French player said she was not ready to retire just yet, she sat out 2007 and attempts to return in the 2008 season proved unfruitful.
"The first response to Court 17 was within one minute, by a qualified ambulance technician", the statement read. I don't know how to describe it.
"Everyone froze and I screamed something to the chair umpire".
Messages of support poured in for Mattek-Sands, well known on the tour for her flamboyant fashion sense and friendly, easy-going nature.
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Lucie Safarova, Mattek-Sands's doubles partner, also arrived to the scene, hours before her own singles match was set to begin, and wept by the courtside.
And Safarova admitted it was hard to concentrate on her own game with her world No1 doubles partner in trouble.
"We all know grass is a little bit more unsafe than hard court or clay", she added.
Mattek-Sands was treated by medics on court for 20 minutes, before she was eventually stretchered off while being administered oxygen.
Some accused the Wimbledon medical team of not reacting quickly enough to Mattek-Sands' injury.
"If someone wants to check, probably they should check the video and time to see how long it took". "Then I called for help, but no one was coming". She could be heard screaming in pain and was quickly surrounded by doctors and medical personnel. "I wish I could have done more". The 32-year-old Mattek-Sands is ranked No 1 in women's doubles.