Because games would now be shorter, the time limit was reduced from 15 minutes to 10 minutes. Except where both players or pairs have scored at least 9 points, the expedite system shall come into operation if a game is unfinished after 10 minutes' play or at any earlier time at the request of both players or pairs. read more
Five setters can go as long as 5 hours. This also depends on the scores of individual sets. The longest match in Tennis History is Wimbledon 2010, Isner vs. Mahut. read more
First to 11 poning but a player mus win by two clear point. It is usually best of 5 sets, but can be best of 3, 5, 7. read more