He is a line judge and wears the uniform number 18.

She hit a first serve that landed wide and was called out by the line judge.

The most controversial one was when Alves overruled the line judge in the first game of the set.

Players can protest to the line judge if a decision is not made in their favor.

The goal lines are monitored by two line judges.

Once the game started, she was just doing the job that the line judge does in every game we play.

On close calls, the line judge has to support the electronic line.

The line judge thought otherwise and ruled the ball out.

Jack Johnson, 55, the line judge, was the president of a sports promotions firm.

The line judge retracted her call, but the chair refused to accept the revision.