1 in men's tennis? | Who is the world No ... then the leading player must win a seventh game to win the set. Rules are a little different for a tiebreak set. If a set should make it to 6-6 ...

To ensure the rules of a tennis match are upheld correctly, a chair umpire is appointed in competitive matches to maintain the spirit of fair play. This umpire sits in an elevated chair by the net ...

Most recreational matches and junior tournaments are umpired by the players. But in professional competitions, officials keep the score, judge whether the ball is in and interpret rules. The senior ...