 Complete the following phrase:  On Mothers Day, May 13, 1973, Ramona entered the national spotlight. 55-year-old former-tennis-great-turned-hustler, Bobby Riggs, challenged the then 30-year-old womens world number-one player, Margaret Court, to a match. The match was staged at Ramonas San Diego Country Estates. Riggs won easily, 62, 61. He later lost to Billie Jean King in 