Ivo Karlovic, the towering Croatian known for his booming serve, has officially announced his retirement from tennis more than two years after playing his last tournament match. The 2.11-meter (6 foot ...

Croatia's Ivo Karlovic broke the fastest serve world record when he fired a 251 kmph (156mph) blast during his country's Davis Cup tie against Germany in Zagreb, the International Tennis ...

Five-time champion Roger Federer took the sting out of Croatian Ivo Karlovic's venomous serve to win their quarter-final 6-3 7-5 7-6 and book his place in a 21st straight grand slam semi at ...

Karlovic, seeded fifth at the ATP 250 indoor hard-court event, crunched 23 aces in a 7-6 (9-7) 6-3 victory over Lukas Lacko. The Croatian, turning 36 in February, took his season tally of aces ...

Defending champion Ivo Karlovic faces Bernard Tomic in the Claro Open Colombia final after both claimed hard-fought wins on Saturday. O Omnisports Pulse Follow Croatian second seed Karlovic served ...

Federer is back, as he showed by beating big-serving Ivo Karlovic 6-4, 7-6 (4). Federer lost just three service points against his 6-foot-11 opponent, and in a match with few rallies, he committed ...

``You cannot do nothing,'' said ninth-seeded Jo-Wilfried Tsonga of France. No, you can't. Not when Karlovic, the tallest player in tour history, is at his serve-smacking best.

Much more trying for Ivo Karlovic after his historic win over Lleyton Hewitt has been dealing with his sudden popularity. At 6 feet 10, he doesn't exactly blend into a crowd, and since Monday, so ...

Karlovic was serving out of his mind -- 29 aces over the three-set span -- and one heard the echoes of Mardy Fish 's press conference earlier in the day (Fish, a 2-6, 6-4, 6-2 winner over American ...

SAP_tennis211.JPG Ivo Karlovic's serve was often clocked in the low 140mph speed. The tournament was won by Andy Murray. Action in the second set. Finals of the SAP Open at HP Pavilion Sunday ...