Kim Clijsters' participation in the French Open is in grave doubt after she injured her ankle at a wedding.
The Australian Open champion was on a break with shoulder and wrist evils when she severely stressed medial and lateral ligaments in her right ankle.
She also tore the pills of the ankle joint and sustained both a haematoma and torn tendon sheath.
A statement on her website said: "Kim's presence in Paris is very uncertain. Her ankle is completely immobilized."
The French Open starts on 22 May, in precisely six weeks, and Clijsters' website stated: "Kim faces a recovery of at least four to six weeks."
The world number two's last competitive match was on 31 March, when she lost to the in-form Victoria Azarenka in the quarter-finals of the Sony Ericsson Open in Miami.
Shortly after her exit from that event, the 27-year-old proclaimed she would be out for a month to deal with shoulder and wrist problems, but her initial plans to return at the Italian Open in Rome in May will have to be revised.
Clijsters has twice been a losing finalist at the French Open, in 2001 and 2003. Last year an ankle injury forced her to miss the tournament.