Karlovic Breaks Serve Speed Record in Davis Cup Tie

Croatian ace machine Ivo Karlovic broke Andy Roddick’s serve speed record of 155 MPH during this weekend’s Davis Cup tie in Zagreb, Croatia by clocking a serve at 156 MPH.
Known as having one of the biggest serves in the history of the sport, Karlovic has always been at the top of the serving statistics from year-to-year.