Tennis legend Monica Seles shared that she has been diagnosed with myasthenia gravis, an autoimmune disease with symptoms she first noticed while doing what she loves the most — playing tennis.

Tennis Hall of Famer Monica Seles is discussing for the first time her diagnosis of myasthenia gravis — a neurological autoimmune disease she was diagnosed with in 2022.

Nine-time Grand Slam champion Monica Seles is battling a new challenge: a neuromuscular autoimmune disease called myasthenia gravis. The 51-year-old Seles is going public about the condition she was diagnosed with three years ago.