"The ValenciaOpen 500 will be my last tournament, on the best stage possible, " the 32-year-old, who hails from nearby Villena, told the October event's official website.
Real's fans began to get restless around the hour mark as Valencia began to dominate before Jonas shot wide of an open goal from 12 yards after Real goalkeeper Iker Casillas had parried Roberto Soldado's effort into his path.