Meet Ivo Karlovic, the King of aces...

Karlovic sets US Open record with 61 aces!!! IMAGE: Ivo Karlovic of Croatia serves . Photograph: Grant Halverson/Getty Images Ivo Karlovic set a US Open record on Tuesday when he banged down 61......

Karlovic slays Roddick

Second seed Andy Roddick was knocked out of the Madrid Masters in his first match as he lost 3-6, 7-6, 7-6 to big serving Croat Ivo Karlovic on Wednesday. Karlovic, the tallest player on the ATP......

Karlovic topples Hewitt

Croatian colossus Ivo Karlovic returned to haunt Lleyton Hewitt on Friday, knocking out the Australian top seed 7-6, 6-3 in the quarter-finals of the Stella Artois Championships.Karlovic caused one......

Karlovic booms past Tsonga

Ninth seed Jo-Wilfried Tsonga of France could find no solution to the problem of Ivo Karlovic's massive serve as the Croatian ran out a 7-6 6-7 7-5 7-6 victory in their third-round clash at......

Karlovic retains Nottingham title

Croatian Ivo Karlovic won the Nottingham Open for the second successive year on Saturday, beating Spain's Fernando Verdasco 7-5, 6-7, 7-6 in a closely-fought final. The match was moved indoors......