166 mph (267 km/h)

Wikipedia

Fastest recorded tennis serves - Wikipedia, the free encyclopedia

166 mph (267 km/h)

156 mph (251 km/h)

Answers.com

What is the Fastest Tennis second Serve Ever

Ivo Karlovic holds the fastest serve record at 156 mph (251 km/h) during a Davis Cup doubles match on March 7th, 2011.

Who has the fastest tennis serve

Ivo Karlovic holds the fastest serve record at 156 mph (251 km/h) during a Davis Cup doubles match on March 7th, 2011.

What is the fastest tennis serve on record

Ivo Karlovic holds the fastest serve record at 156 mph (251 km/h) during a Davis Cup doubles match on March 7th, 2011.

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Watch The World's Fastest Tennis Serve Ever

Croatian tennis player Ivo Karlovic clocked in a serve at 156 mph – breaking Andy Roddick's previous record for fastest serve of 155 mph set in 2004, according to the AP.

deadspin.com

Here's Video Of The Fastest Tennis Serve In History

In 2004, Roddick's yellow ball traveled 155 mph (or 249.5 km/h); Karlovic's went 155.96 mph (or 251 km/h).

154 mph (248 km/h)

coe.neu.edu

Snapple Facts Collected

#151 - The fastest served ball in tennis was clocked at 154 mph in 1963.

155 mph (249 km/h)

Yahoo Answers

What was the fastest tennis serve ever? - Yahoo! Answers

The current record still lies with Andy Roddick, but has increased to 155 mph, or 249.4 kph.