Originally Posted by Moose Malloy
I believe 57% is just behind Karlovic('07 Stockholm) and Sampras('97 Wimbledon Final) in high matches listed so far.
I've found one higher than all those.
Ivanisevic d. Roddick, 2001 Wimb
Per The Hindu, Ivanisevic “sent down 41 aces and had 28 service winners, making it a total of 69 points when his serve was not returned”.
The ATP has Goran serving on 111 points, so that's an unreturned rate of 62.2%
Goran made 71% of his first serves per the ATP. Serving out of his mind.