Reacting to 22-time Grand Slam winner Rafael Nadal's retirement, 18-time women's singles Grand Slam champion Martina Navratilova said, "When they made Rafa, they threw away the mould…Chapeau in every direction, Champ." Nadal played his farewell match against Netherlands' Botic van de Zandschulp on Tuesday in the Davis Cup. The 38-year-old lost his farewell game 4-6, 4-6.