i think it is greg rusedski with a 239.8 km/h
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
Ivo Karlovic
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).
The fastest ever serve recorded; 251 Km/h, was by Ivo Karlovic.
Andy roddick
Jai-alai
Andy Roddick 153 mph June 11 2004
Fastest Tennis Serve EverAndy Roddick set the record for fastest serve in a match by whipping one 155 mph Friday night in Davis Cup play. Andy Roddick matched his own new record with his serve against Stefan Koubek. By John Spivey, APThe American did it in the eighth game of a 6-4, 6-4, 6-2 victory over Stefan Koubek of Austria. Koubek actually got his racket on the record-setting serve, but he couldn't put the ball over the net.Fastest servesThe fastest recorded serves in tennis history:Andy Roddick, U.S., 155mph, 2004 Davis CupIvo Karlovic, Croatia, 153mph, 2007 NottinghamAndy Roddick, U.S., 149 mph, 2003 Queen's ClubGreg Rusedski, Britain, 149 mph, 1998 Indian WellsTaylor Dent, U.S., 148 mph, 2010 WimbledonTaylor Dent, U.S., 144 mph, 2001 WimbledonMark Philippoussis, Australia, 142.3 mph, 1997 DusseldorfGilles Elseneer, Belgium, 140 mph, 2003 BaselJulian Alonso, Spain, 140 mph, 1997 Long IslandEarlier, Roddick's second serve of the match also registered 150 mph on the courtside speed meter, but the ball landed out for a fault - which doesn't count as a record.Karlovic did hit a 144 miles per hour (232 km/h) second serve on 3 August 2007, which is the fastest second serve on record.The former U.S. Open champion broke the record of 149 mph that he shared with Greg Rusedski. Roddick hit a serve at that speed during a victory over Andre Agassi at the Queen's Club tournament in June. Rusedski set that standard in 1998.
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.
138 Miles Per Hour.
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