At the beginning of his career, Krickstein caused a stir in Tel Aviv in 1983. At the age of 16 years and two months, he was the youngest winner of an individual competition at an ATP tournament. He is still the youngest winner of an ATP tournament. His reaching the top ten of the world rankings at the age of 17, which he reached for the first time in 1984, is also unsurpassed. He reached the highest position on the tennis world rankings in 1990 6th place. In his career he won nine tournaments in men's singles. In total, he won about 3.7 million US dollars in singles and doubles.
Aaron Krickstein is the uncle of the golfer Morgan Pressel , whom he occasionally accompanied as a caddy . Krickstein was there when Pressel qualified as the youngest player in history for the US Open at the age of 12.