The term PR means Protected Ranking, whereby an injured player is only ranked for two months of the term of an injury, and the ranking is used over the period in which he returns to play. This ranking is used for tournament entry purposes.
Protected ranking.
pr
PR is a grading system used for proof coins
You probably mean "Lawn" tennis. Lawn tennis is simply tennis played on a grass court.
PR stands for Public Relations. If you are referring to a geographical location, it could stand for Puerto Rico.
pr in medical terms stands for "per rectum," or a drug inserted into the rectum.
First to win 6 games or if it is 6-5, pr 5-6 it is first to win 7 games.
tennis
tennis courts
that you are 100% puerto rican
person reporting
Anyone can be PR of many countries, PR is not citizenship. It just mean the government of the PR issuing country, grant the person the right to live and work there. So to be a PR of both Singapore and Malaysia is not impossible.