ATP The US Open Top Story

US Open Men’s Day 1

Fifth seed Andrey Rublev took just 98 minutes to dismantle the dream of 42-year-old Ivo Karlovic with a 6-3, 7-6(3), 6-3 defeat to reach the second

ATP Cincinnati Masters Top Story

Isner chipping away at Ivo’s all-time ace record

John Isner is moving closer to the 13,000-plus aces of all-time serving giant Ivo Karlovic, with the American adding 26 in his most recent effort

ATP The US Open Top Story

Los Cabos TD: Karlovic to retire after US Open

Evergreen Croat Ivo Karlovic will hang up his racquet after two decades on the ATP at the US Open. That’s the word from this week’s

ATP Newport Rhode Island Top Story

Veteran Karlovic could show Federer the way

The ATP longevity of 42-year-old Croat Ivo Karlovic could set an example for Roger Federer as the Swiss ponders tennis as he turns 40 next