Originally Posted by tennis tom
It's no more difficult to see a foot-fault then to see whether a ball is in or out, especially by the net man. A flagrant one can be easily seen from anywhere on the court--that's why it's flagrant. A human foot is much larger then a tennis ball and remains on the line longer then the hit by a ball. Most players have no problem calling a ball out, (but some do), it shouldn't be any different calling a foot-fault--but obviously it is or we wouldn't be discussing it here.
I'm having trouble understanding this post. When calling a ball in or out, you are calling on your side of the net. How can you compare that to calling a foot fault from 78 feet away?