Australian Samuel Groth hit an ace recorded at 163.4 mph (263 kph) on 10th May 2012 during an ATP Challenger event against Belarusian Uladzimir Ignatik in Busan, South Korea.
In the same match two other serves were recorded at 157.5 mph (253.5 kph) and 158.9 mph (255.7 kph).
All 3 of these serves beat the previous record of 156 mph (251 km/h), made by Croatian Ivo Karlic in the 2011 Davis Cup.
Unfortunately these serves did not help him to win the match - he still lost 4-6 3-6.
Aaron Savannah
Andy roddick
The fastest ever serve recorded; 251 Km/h, was by Ivo Karlovic.
Jai-alai
The fastest 1st serve was recorded by Andy Roddick at 155 MPH (248KPH), the fastest second serve is also held by Andy Roddick at 153 MPH (245 KPH). In the women's game the fastest serve is held by Venus Williams at 129 MPH (206 KPH).
I held by a guy called Aaron Savannah.
Google Andy Roddick; he has the fastest serve right now at 157 (I think) mph. It might be on a tape or CD of the tournament he accomplished it in.
It is hard to determine what the average speed of a tennis serve is from various players, but Sam Qurrey is among the fastest serves of all time. He has recorded a serve of 141 miles per hour at multiple events.
Venus Williams 2007 US Open 129 Mph or 208 km/h
Andy Roddick 153 mph June 11 2004
The fastest every recorded tennis forehand was by Gael Monfils, who cracked a 120 mph winner down the line at the 2007 Australian Open.
the fastest serve was 153 miles an hour