Monica Seles announces MG diagnosis – Tennis now

Richard Pagliaro | August 12, 2025
Image source: Monica Seles Instagram
Monica Celes Sharing the story of her ongoing health war.
Hall of Fame Seles revealed she was diagnosed with neuromuscular disease and muscle weakness.
There are no known treatments for myocardium weakness. this Mayo Clinic says muscle weakness “Make your muscles under your voluntary control feel weak and quickly tired. This happens when communication between nerves and muscles.
“Treatment can help with symptoms. These symptoms may include weaknesses in the muscles of the arm or leg, dual vision, sagging eyelids, and problems with speaking, chewing, swallowing and breathing.”
The 51-year-old Seles announced his battle with the disease today. SELES is a spokesperson for Agenx: “A global immunology company dedicated to improving the lives of people with severe autoimmune diseases.”
The nine-time Grand Slam champion is ambassador for Agenx’s “Go For Go for Gorge” advertising campaign, aiming to improve awareness and understanding among people diagnosed with myasthenia gravis.
“My MG journey has not been easy over the last 5 years,” Celles said. “I felt isolated and beaten because many of the activities I loved were no longer possible for me. Since then, I realized that by sharing my story, I can raise awareness of the disease, allowing patients to advocate for themselves and help them connect with the MG community for support.
“I’m excited to be working with the Argenx team – inspiring others who have MG to fight against the disease, pursue goals and live fulfilling lives. We’re together.”
https://www.youtube.com/watch?v=ppgrjvou90y
Seles, known as one of the most destructive returners in the history of the Open Era, won 53 professional titles, including the 1991-92 back-to-back U.S. Open Championship. SELES inspired professional players, including young Venus Williams and Serena Williams. Seles hit two wings with two hands, ranking No. 1 in the world in 178 weeks and ended her outstanding career with a 595-122 career record.