Ayala was a two-time singles runner-up at the
French Championships. In 1958, as the fifth seed, he reached the final after defeating the top-seeded and world No. 1 player,
Ashley Cooper, in the semifinals. However, he was defeated in straight sets by
Mervyn Rose in the final. In 1960, Ayala again reached the final, losing in five sets to
Nicola Pietrangeli. He won the mixed doubles title at the
1956 French Championships with
Thelma Coyne Long. Ayala secured the gold medal in singles at the
1959 Pan American Games in Chicago, defeating Canadian player
Robert Bédard in the final. He claimed the prestigious singles title at the
Italian Open in 1959, overcoming Nicola Pietrangeli in the semifinals and
Neale Fraser in the final, both in four sets. The following year, he reached the final again but was defeated in five sets by
Barry MacKay. Ayala won the 1960
Argentina International Tennis Championships in Buenos Aires, defeating
Ron Holmberg in the semifinals and
Manuel Santana in the final. This was his third Argentina title, having previously won in 1955 (defeating
Art Larsen) and 1957 (defeating
Enrique Morea). In 1960, Ayala also won the Madrid Championships, defeating
Andrés Gimeno in the final. In 1961, he won the Hanover Championships, overcoming
Ramanathan Krishnan in the final. ==Professional career==