What is an ace in tennis?

I Hate Commerce2020-11-18T16:21:09Z

YOuR ACE SERVE IS YOUR SERVE THAT IS So, GOOD IT WENT PAST YOUR OPPONENT WITHOUT HIM TOUching It.!

David2020-11-17T17:34:22Z

Rorschach is correct.  The other guy is wrong.  Even touching the serve with a racket, whether returned or not, disqualifies it as an ace.  Such a serve is a service winner, but not an ace.

Rorschach2020-11-17T16:42:26Z

In tennis, an ace is a legal serve that is not touched by the receiver, winning the point.