Show the Frenchboy why he admires your serve so much in the first place.
From atp site:
Roddick on Monfils
: "He plays just like me. He's very exciting, he'll be pumped up and angry on the court and do his whole thing. I remember the first time I was watching him at Wimbledon last year and I saw this guy serve and I said "Who is that?" They said "He's No.1 in Juniors." I'd heard his name before but I'd never seen him play. I said "I've seen that serve before, it looks familiar...
"I think it's good for someone to show their personality. I did the whole thing when I was 18, 19 years old, it's just a little bit of being excited and youthful and it’s good for tennis. The more personality we show the better. I think he's good for the game. He's not the typical French. He plays hard on every shot, big and in your face. He brings and attitude to the court, which I think is good for him. He's playing very well and has no pressure. It will be a tough match. I’m looking forward to it."