Career
In the semifinals of that tournament he staged a third-set comeback to defeat John McEnroe 6–4, 5–7, 7–6(4) after saving two match points at 2–5 in the third set and after coming back from 2–4 in the third-set tiebreaker. (Ycaza was to face McEnroe three more times in junior tournaments, winning each time) In the final, Ycaza defeated José Luis Clerc of Argentina. Coached by Miguel Olvera at the Guayaquil Tennis Club, Ycaza had a successful junior career, winning numerous South American junior titles.
Ycaza played on the professional tennis tour from 1977 to 1986.
His career high rankings was World Number. 45 in singles and Number.
32 in doubles. Doubles titles (3) Doubles runners-up (4) 1978: Tulsa (with Carlos Kirmayr, lost to Russell Simpson and Van Winitsky).