153mph
The fastest ever serve recorded; 251 Km/h, was by Ivo Karlovic.
Andy Roddick around 243 Km/hr vs some Thai Player in London.
Because it is
The tennis service line is located 21 feet from the net on a tennis court.
Rafael Nadal.
echizen ryoma
No. The interior lines (half-lines) on tennis courts determine the service court, into which the serve must be made. An ACE is any legal serve that is not successfully returned by the opponent, winning the point for the server.
The speed of the fastest tennis shot ever recorded is 163.7 miles per hour, achieved by Samuel Groth in 2012.
Aaron Savannah
Badminton is... not tennis
I am not sure but just call your local tennis place
Serena Williams Venus Williams