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Heads Up: Ivo Karlovic (left) serving Sunday during another Davis Cup match. (AFP/Getty Images)

New World Record: Tennis Serve Clocked At 156 mph

Mar 7, 2011

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Reported by

Mark Memmott

Don't blink or you'll miss it.

Ivo Karlovic of Croatia broke a 7-year-old world record Sunday when he hit a tennis serve 156 mph — 1 mph more than American Andy Roddick's 2004 mark.

Playing in front of a home crowd in Zagreb, the 6-foot 10-inch Karlovic smashed the serve during a Davis Cup doubles match against Germany. Karlovic and partner Ivan Dodig lost the match, however, to Christopher Kas and Philipp Petzschner.

Here's video of the record-setting moment:

A couple comparisons:

— Fastest baseball pitch: 105.1 mph. Aroldis Chapman of the Cincinnati Reds; last Sept. 24. (Source: Baseball Almanac.)

— NHL Hardest Shot record: 105.9 mph, by Boston Bruins defenseman Zdeno Chara; this January. (Source:

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