 Brasher (then known as Shirley Bloomer) won the singles title at the 1957 French Championships, defeating Dorothy Head Knode in the final in straight sets.She was the runner-up in singles at the 1958 French Championships, losing to Zsuzsi Körmöczy 6–4, 1–6, 6–2, having defeated Maria Bueno in the semifinal.Bloomer teamed with Darlene Hard to win the women's doubles title at the 1957 French Championships, defeating Yola Ramírez and Rosie Reyes in the final 7–5, 4–6, 7–5.