Engel participated in the singles draw of five Grand Slams and twice progressed to the second round.

His best showing in a singles tournament during his time on the ATP Tour came at the 1990 Continental Championships in the Netherlands.

He reached the quarter-finals and en route defeated world number 38 Paul Haarhuis.

[1] He was more successful on the doubles circuit, with the highlight of his career being his win in the 1990 Geneva Open, with Pablo Albano.

He made the second round of the 1991 French Open, partnering Ola Jonsson, but it would be his only win in a Grand Slam doubles match.