Post-tennis
Riggs was diagnosed with prostate cancer in 1988. He founded the Bobby Riggs Tennis Museum Foundation to increase awareness of the disease. Riggs died of cancer October 25, 1995, in Encinitas, California, aged 77.
In his final days, Riggs maintained friendly contact with Billie Jean King, and King phoned him often. She called him shortly before his death, offering to visit him, but he did not want her to see him in his condition. She phoned him one last time, the night before his death and, according to Billie Jean herself in an HBO documentary about her, the last thing she told Riggs was "I love you." (Interview with Billie Jean King, USA US Open telecast, August 28, 2006)
Riggs was inducted into the International Tennis Hall of Fame in 1967.
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