Hingis jumped the gun on that process on Thursday after she said her lawyers advised her that the fight to prove her innocence could go on for years.

The 27-year-old said her legal representative had discovered various inconsistencies with the urine sample taken during Wimbledon and felt that doping officials mishandled the process. Her voice broke as she fought back tears in reading the statement. At the end, she took no questions and left the news conference.

The 27-year-old Swiss player lost in the third round at Wimbledon.

Hingis returned to the sport two years ago after a four-year absence because of injuries. She won three straight Australian Open titles from 1997-99, and Wimbledon and the US Open championships in 1997. She came within one match of winning the grand slam in 1997, losing only in the French Open final.

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