The other day I was watching a match and had the volume turned down to level 8 so I could hear some of the court noise but not too much of the commentary. But then they stopped showing the score on the screen, so I turned the volume up, only to hear a lot of babbling, as you say. And after a point had been played, they were not even announcing the score! Unacceptable! So I watch less tennis. There are other things that I can do instead.