Who holds the world record for the fastest serve in tennis?

Jerzy Janowicz

Samuel Groth

Andy Roddick

Ivo Karlovic

The speed of 263 km/h (163.4 mph) in 2012 was measured at the ATP Challenger in Busan. The previous record holder was Croatian Ivo Karlović.

Jeremy Thompson wikipedia → Sam Groth

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Answers by country

the United States

55%

28%

France

18%

54%

18%

India

53%

25%

18%

Austria

46%

30%

16%

the Netherlands

41%

the United Kingdom

29%

32%

23%

14%

Australia

25%

32%

35%

Poland

16%

29%

30%

22%

1708

Germany

21%

28%

23%

25%

138

Republic of Ireland

27%

54%

Switzerland

23%

30%

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Greece marched first

Greece marched last

Greece was the number 46

Greece marched twice, both first and last

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