10+ aces usually. Depends on the surface, I've hit up to 23 once on a very fast hard court.
average first serve is probably 105-110 mph. second serve- around 80 unless I go for a risky second serve and hit a 100 mph flat.
Wimbledon 2004 Final. The fearless, hard hitting, fiery young 21 year old Andy Roddick.
Last edited by tennisplayer1993; 06-05-2013 at 06:27 PM.