The ITF confirmed on Sunday that Croatiaâ€™s Ivo Karlovic broke the world record for the fastest serve during the doubles rubber of the Davis Cup by BNP Paribas World Group first round tie between Croatia and Germany in Zagreb on Saturday 5 March.
Karlovic hit a 251kmph (156mph) serve in the fourth set, which surpasses the previous record of 249.4kmph (155mph) held by USAâ€™s Andy Roddick.
Davis Cup by BNP Paribas is the largest annual international team competition in sport with 130 nations entered in 2011. The title sponsor is BNP Paribas, the Official Bank of Davis Cup. International sponsors are Turismo Madrid (Official Tourist Destination), HP (Official Technology Sponsor), Rolex (Official Timekeeper), Hugo Boss (Official Men’s Fashion Clothing Sponsor), Adecco (Official HR Partner) and NH Hoteles (Official Hotel). Wilson Sporting Goods (Official Ball) is an international partner. Follow all the action on www.daviscup.com and www.copadavis.com.