Originally Posted by woodrow1029
He didn't say the length of the court is 76 feet. He said calling it from 76 feet away. Some people do receive inside the baseline.
Very few, the vast majority of singles players receive from a step or two behind the baseline, for doubles you should stand on the service line. It is very easy in doubles for the receivers partner to see ff's from his service line. Flagrant ff's can easily be seen by the receiver.