Top-seeded Althea Gibson of New York easily won her third round women&#39;s singles match by defeating Mary Hellyer of Australia, 6-4, 6-2. Althea, seeking to become the first black singles champion in Wimbledon history, is shown in action here on June 25th, when she defeated Mrs. Z. Kormoczy of Hungary during the first round, at 6-4, 6-4.