Who was known as king of Squash?

Who was known as king of Squash?

اسکواش کے بادشاہ کے نام سے کون جانا جاتا تھا؟
Explanation

Pakistani squash player Jahangir Khan became a legend in his sport by going undefeated for five years.

He won world open title six times.

He also won 555 matches.